referencing in university essays

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Quick guide to Harvard referencing (Cite Them Right)

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There are different versions of the Harvard referencing style. This guide is a quick introduction to the commonly-used Cite Them Right version. You will find further guidance available through the OU Library on the Cite Them Right Database .

For help and support with referencing and the full Cite Them Right guide, have a look at the Library’s page on referencing and plagiarism . If you need guidance referencing OU module material you can check out which sections of Cite Them Right are recommended when referencing physical and online module material .

This guide does not apply to OU Law undergraduate students . If you are studying a module beginning with W1xx, W2xx or W3xx, you should refer to the Quick guide to Cite Them Right referencing for Law modules .

Table of contents

In-text citations and full references.

• Secondary referencing
• Page numbers
• Citing multiple sources published in the same year by the same author

Full reference examples

Referencing consists of two elements:

• in-text citations, which are inserted in the body of your text and are included in the word count. An in-text citation gives the author(s) and publication date of a source you are referring to. If the publication date is not given, the phrase 'no date' is used instead of a date. If using direct quotations or you refer to a specific section in the source you also need the page number/s if available, or paragraph number for web pages.
• full references, which are given in alphabetical order in a  reference list at the end of your work and are not included in the word count. Full references give full bibliographical information for all the sources you have referred to in the body of your text.

To see a reference list and intext citations check out this example assignment on Cite Them Right .

Difference between reference list and bibliography

a reference list only includes sources you have referred to in the body of your text.

a bibliography includes sources you have referred to in the body of your text AND sources that were part of your background reading that you did not use in your assignment.

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Examples of in-text citations

You need to include an in-text citation wherever you quote or paraphrase from a source. An in-text citation consists of the last name of the author(s), the year of publication, and a page number if relevant. There are a number of ways of incorporating in-text citations into your work - some examples are provided below. Alternatively you can see examples of setting out in-text citations in Cite Them Right .

Example with one author:

Almeroth-Williams, T. (2019) City of Beasts: How Animals Shaped Georgian London . Manchester: Manchester University Press.

RSPCA (2024) Caring for cats and kittens . Available at: https://www.rspca.org.uk/adviceandwelfare/pets/cats (Accessed: 1 August 2024).

Example with two or three authors:

Grayling, A. and Ball, B. (2024) ' Philosophy is crucial in the age of AI', The Conversation , 1 August. Available at: https://theconversation.com/philosophy-is-crucial-in-the-age-of-ai-235907 (Accessed: 1 August 2024).

Chu, M., Leonard, P. and Stevenson, F. (2012) ' Growing the Base for Citizen Science: Recruiting and Engaging Participants', in J.L. Dickinson and R. Bonney (eds.) Citizen Science: Public Participation in Environmental Research . Ithaca: Cornell University Press, pp. 69-81.

Example with four or more authors:

Young, H.D. et al. (2015) Sears and Zemansky's university physics . San Francisco, CA: Addison-Wesley.

Note: You can choose one or other method to reference four or more authors (unless your School requires you to name all authors in your reference list) and your approach should be consistent.

Online module materials

(Includes written online module activities, audio-visual material such as online tutorials, recordings or videos).

When referencing material from module websites, the date of publication is the year you started studying the module.

Surname, Initial. (Year of publication/presentation) 'Title of item'. Module code: Module title . Available at: URL of VLE (Accessed: date).

OR, if there is no named author:

The Open University (Year of publication/presentation) 'Title of item'. Module code: Module title . Available at: URL of VLE (Accessed: date).

Rietdorf, K. and Bootman, M. (2022) 'Topic 3: Rare diseases'. S290: Investigating human health and disease . Available at: https://learn2.open.ac.uk/mod/oucontent/view.php?id=1967195 (Accessed: 24 January 2023).

The Open University (2022) ‘3.1 The purposes of childhood and youth research’. EK313: Issues in research with children and young people . Available at: https://learn2.open.ac.uk/mod/oucontent/view.php?id=1949633&section=1.3 (Accessed: 24 January 2023).

You can also use this template to reference videos and audio that are hosted on your module website:

The Open University (2022) ‘Video 2.7 An example of a Frith-Happé animation’. SK298: Brain, mind and mental health . Available at: https://learn2.open.ac.uk/mod/oucontent/view.php?id=2013014&section=4.9.6 (Accessed: 22 November 2022).

The Open University (2022) ‘Audio 2 Interview with Richard Sorabji (Part 2)’. A113: Revolutions . Available at: https://learn2.open.ac.uk/mod/oucontent/view.php?id=1960941&section=5.6 (Accessed: 22 November 2022).

Note: if a complete journal article has been uploaded to a module website, or if you have seen an article referred to on the website and then accessed the original version, reference the original journal article, and do not mention the module materials. If only an extract from an article is included in your module materials that you want to reference, you should use secondary referencing, with the module materials as the 'cited in' source, as described above.

Surname, Initial. (Year of publication) 'Title of message', Title of discussion board , in Module code: Module title . Available at: URL of VLE (Accessed: date).

Fitzpatrick, M. (2022) ‘A215 - presentation of TMAs', Tutor group discussion & Workbook activities , in A215: Creative writing . Available at: https://learn2.open.ac.uk/mod/forumng/discuss.php?d=4209566 (Accessed: 24 January 2022).

Note: When an ebook looks like a printed book, with publication details and pagination, reference as a printed book.

Surname, Initial. (Year of publication) Title . Edition if later than first. Place of publication: publisher. Series and volume number if relevant.

For ebooks that do not contain print publication details

Surname, Initial. (Year of publication) Title of book . Available at: DOI or URL (Accessed: date).

Bell, J. (2014) Doing your research project . Maidenhead: Open University Press.

Adams, D. (1979) The hitchhiker's guide to the galaxy . Available at: http://www.amazon.co.uk/kindle-ebooks (Accessed: 23 June 2021).

Note: Books that have an editor, or editors, where each chapter is written by a different author or authors.

Surname of chapter author, Initial. (Year of publication) 'Title of chapter or section', in Initial. Surname of book editor (ed.) Title of book . Place of publication: publisher, Page reference.

Franklin, A.W. (2012) 'Management of the problem', in S.M. Smith (ed.) The maltreatment of children . Lancaster: MTP, pp. 83–95.

Note: When referencing a chapter of an edited book, your in-text citation should give the author(s) of the chapter.

Surname, Initial. (Year of publication) 'Title of article', Title of Journal , volume number (issue number), page reference.

If accessed online:

Surname, Initial. (Year of publication) 'Title of article', Title of Journal , volume number (issue number), page reference. Available at: DOI or URL (if required) (Accessed: date).

Shirazi, T. (2010) 'Successful teaching placements in secondary schools: achieving QTS practical handbooks', European Journal of Teacher Education , 33(3), pp. 323–326.

Shirazi, T. (2010) 'Successful teaching placements in secondary schools: achieving QTS practical handbooks', European Journal of Teacher Education , 33(3), pp. 323–326. Available at: https://libezproxy.open.ac.uk/login?url=https://search.ebscohost.com/log... (Accessed: 27 January 2023).

Barke, M. and Mowl, G. (2016) 'Málaga – a failed resort of the early twentieth century?', Journal of Tourism History , 2(3), pp. 187–212. Available at: https://doi.org/10.1080/1755182X.2010.523145

Surname, Initial. (Year of publication) 'Title of article', Title of Newspaper , Day and month, Page reference.

Surname, Initial. (Year of publication) 'Title of article', Title of Newspaper , Day and month, Page reference if available. Available at: URL (Accessed: date).

Mansell, W. and Bloom, A. (2012) ‘£10,000 carrot to tempt physics experts’, The Guardian , 20 June, p. 5.

Roberts, D. and Ackerman, S. (2013) 'US draft resolution allows Obama 90 days for military action against Syria', The Guardian , 4 September. Available at: http://www.theguardian.com/world/2013/sep/04/syria-strikes-draft-resolut... (Accessed: 9 September 2015).

Surname, Initial. (Year that the site was published/last updated) Title of web page . Available at: URL (Accessed: date).

Organisation (Year that the page was last updated) Title of web page . Available at: URL (Accessed: date).

Robinson, J. (2007) Social variation across the UK . Available at: https://www.bl.uk/british-accents-and-dialects/articles/social-variation... (Accessed: 21 November 2021).

The British Psychological Society (2018) Code of Ethics and Conduct . Available at: https://www.bps.org.uk/news-and-policy/bps-code-ethics-and-conduct (Accessed: 22 March 2019).

Note: Cite Them Right Online offers guidance for referencing webpages that do not include authors' names and dates. However, be extra vigilant about the suitability of such webpages.

Surname, Initial. (Year) Title of photograph . Available at: URL (Accessed: date).

Kitton, J. (2013) Golden sunset . Available at: https://www.jameskittophotography.co.uk/photo_8692150.html (Accessed: 21 November 2021).

stanitsa_dance (2021) Cossack dance ensemble . Available at: https://www.instagram.com/p/COI_slphWJ_/ (Accessed: 13 June 2023).

Note: If no title can be found then replace it with a short description.

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How to Reference in an Essay (9 Strategies of Top Students)

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

Learn about our Editorial Process

Are you feeling overwhelmed by referencing?

When you’re first asked to do referencing in an essay it can be hard to get your head around it. If it’s been a while since you were first taught how to reference, it can be intimidating to ask again how to do it!

I have so many students who consistently lose marks just because they didn’t get referencing right! They’re either embarrassed to ask for extra help or too lazy to learn how to solve the issues.

So, here’s a post that will help you solve the issues on your own.

Already think you’re good at referencing? No worries. This post goes through some surprising and advanced strategies for anyone to improve no matter what level you are at!

In this post I’m going to show you exactly how to reference in an essay. I’ll explain why we do it and I’ll show you 9 actionable tips on getting referencing right that I’m sure you will not have heard anywhere else!

The post is split into three parts:

• What is a Reference and What is a Citation?
• Why Reference? (4 Things you Should Know)
• How to Reference (9 Strategies of Top Students)

If you think you’ve already got a good understanding of the basics, you can jump to our 9 Advanced Strategies section.

Part 1: What is a Reference and What is a Citation?

What is a citation.

An in-text mention of your source. A citation is a short mention of the source you got the information from, usually in the middle or end of a sentence in the body of your paragraph. It is usually abbreviated so as not to distract the reader too much from your own writing. Here’s two examples of citations. The first is in APA format. The second is in MLA format:

• APA: Archaeological records trace the original human being to equatorial Africa about 250,000–350,000 years ago (Schlebusch & Jakobsson, 2018) .
• MLA: Archaeological records trace the original human being to equatorial Africa about 250,000–350,000 years ago (Schlebusch and Jakobsson 1) .

In APA format, you’ve got the authors and year of publication listed. In MLA format, you’ve got the authors and page number listed. If you keep reading, I’ll give some more tips on formatting further down in this article.

And a Reference is:

What is a Reference?

A reference is the full details of a source that you list at the end of the article. For every citation (see above) there needs to be a corresponding reference at the end of the essay showing more details about that source. The idea is that the reader can see the source in-text (i.e. they can look at the citation) and if they want more information they can jump to the end of the page and find out exactly how to go about finding the source.

Here’s how you would go about referencing the Schlebusch and Jakobsson source in a list at the end of the essay. Again, I will show you how to do it in APA and MLA formats:

• APA: Schlebusch, C. & Jakobsson, M. (2018). Tales of Human Migration, Admixture, and Selection in Africa. Annual Review of Genomics and Human Genetics , 11 (33), 1–24.
• MLA: Schlebusch, Carina and Mattias Jakobsson. “Tales of Human Migration, Admixture, and Selection in Africa.” Annual Review of Genomics and Human Genetics , vol. 11, no. 33, 2018, pp. 1–24.

In strategy 1 below I’ll show you the easiest and fool proof way to write these references perfectly every time.

One last quick note: sometimes we say ‘reference’ when we mean ‘citation’. That’s pretty normal. Just roll with the punches. It’s usually pretty easy to pick up on what our teacher means regardless of whether they use the word ‘reference’ or ‘citation’.

Part 2: Why Reference in an Essay? (4 Things you Should Know)

Referencing in an essay is important. By the time you start doing 200-level courses, you probably won’t pass the course unless you reference appropriately. So, the biggest answer to ‘why reference?’ is simple: Because you Have To!

Okay let’s be serious though … here’s the four top ‘real’ reasons to reference:

1. Referencing shows you Got an Expert’s Opinion

You can’t just write an essay on what you think you know. This is a huge mistake of beginning students. Instead this is what you need to do:

Top Tip: Essays at university are supposed to show off that you’ve learned new information by reading the opinions of experts.

Every time you place a citation in your paragraph, you’re showing that the information you’re presenting in that paragraph was provided to you by an expert. In other words, it means you consulted an expert’s opinion to build your knowledge.

If you have citations throughout the essay with links to a variety of different expert opinions, you’ll show your marker that you did actually genuinely look at what the experts said with an open mind and considered their ideas.

This will help you to grow your grades.

2. Referencing shows you read your Assigned Readings

Your teacher will most likely give you scholarly journal articles or book chapters to read for homework between classes. You might have even talked about those assigned readings in your seminars and tutorials.

Great! The assigned readings are very important to you.

You should definitely cite the assigned readings relevant to your essay topic in your evaluative essay (unless your teacher tells you not to). Why? I’ll explain below.

• Firstly, the assigned readings were selected by your teacher because your teacher (you know, the person who’s going to mark your essay) believes they’re the best quality articles on the topic. Translation: your teacher gave you the best source you’re going to find. Make sure you use it!
• Secondly, by citing the assigned readings you are showing your teacher that you have been paying attention throughout the course. You are showing your teacher that you have done your homework, read those assigned readings and paid attention to them. When my students submit an essay that has references to websites, blogs, wikis and magazines I get very frustrated. Why would you cite low quality non-expert sources like websites when I gave you the expert’s article!? Really, it frustrates me so, so much.

So, cite the assigned readings to show your teacher you read the scholarly articles your teacher gave to you. It’ll help you grow your marks.

3. Referencing deepens your Knowledge

Okay, so you understand that you need to use referencing to show you got experts’ opinions on the topic.

But there’s more to it than that. There’s actually a real benefit for your learning.

If you force yourself to cite two expert sources per paragraph, you’re actually forcing yourself to get two separate pieces of expert knowledge. This will deepen your knowledge!

So, don’t treat referencing like a vanity exercise to help you gain more marks. Actually view it as an opportunity to develop deeper understandings of the topic!

When you read expert sources, aim to pick up on some new gems of knowledge that you can discuss in your essays. Some things you should look out for when finding sources to reference:

• Examples that link ideas to real life. Do the experts provide real-life examples that you can mention in your essay?
• Facts and figures. Usually experts have conducted research on a topic and provide you with facts and figures from their research. Use those facts and figures to deepen your essay!
• Short Quotes. Did your source say something in a really interesting, concise or surprising way? Great! You can quote that source in your essay .
• New Perspectives. Your source might give you another perspective, angle or piece of information that you can add to your paragraph so that it’s a deep, detailed and interesting paragraph.

So, the reason we ask you to reference is at the end of the day because it’s good for you: it helps you learn!

4. Referencing backs up your Claims

You might think you already know a ton of information about the topic and be ready to share your mountains of knowledge with your teacher. Great!

So, should you still reference?

Yes. Definitely.

You need to show that you’re not the only person with your opinion. You need to ‘stand on the shoulders of giants.’ Show what other sources have said about your points to prove that experts agree with you.

You should be saying: this is my opinion and it’s based on facts, expert opinions and deep, close scrutiny of all the arguments that exist out there .

If you make a claim that no one else has made, your teacher is going to be like “Have you even been reading the evidence on this topic?” The answer, if there are no citations is likely: No. You haven’t.

Even if you totally disagree with the experts, you still need to say what their opinions are! You’ll need to say: “This is the experts’ opinions. And this is why I disagree.”

So, yes, you need to reference to back up every claim. Try to reference twice in every paragraph to achieve this.

Part 3: Strategies for How to Reference in an Essay (9 Strategies of Top Students)

Let’s get going with our top strategies for how to reference in an essay! These are strategies that you probably haven’t heard elsewhere. They work for everyone – from beginner to advanced! Let’s get started:

1. Print out your Reference Style Cheat Sheet

Referencing is hard and very specific. You need to know where to place your italics, where the commas go and whether to use an initial for full name for an author.

There are so many details to get right.

And here’s the bad news: The automated referencing apps and websites nearly always get it wrong! They tell you they can generate the citation for you. The fact of the matter is: they can’t!

Here’s the best way to get referencing right: Download a referencing cheat sheet and have it by your side while writing your essay.

Your assignment outline should tell you what type of referencing you should use. Different styles include: APA Style, MLA Style, Chicago Style, Harvard Style, Vancouver Style … and many more!

You need to find out which style you need to use and download your cheat sheet. You can jump onto google to find a cheat sheet by typing in the google bar:

Download a pdf version of the referencing style cheat sheet, print it out, and place it on your pinboard or by your side when writing your essay.

2. Only cite Experts

There are good and bad sources to cite in an essay.

You should only cite sources written, critiqued and edited by experts. This shows that you have got the skill of finding information that is authoritative. You haven’t just used information that any old person popped up on their blog. You haven’t just gotten information from your local newspaper. Instead, you got information from the person who is an absolute expert on the topic.

Here’s an infographic listing sources that you should and shouldn’t cite. Feel free to share this infographic on social media, with your teachers and your friends:

3. Always use Google Scholar

Always. Use. Google. Scholar.

Ten years ago students only had their online university search database to find articles. Those university databases suck. They rarely find the best quality sources and there’s always a big mix of completely irrelevant sources mixed in there.

Google Scholar is better at finding the sources you want. That’s because it looks through the whole article abstract and analyses it to see if it’s relevant to your search keywords. By contrast, most university search databases rely only on the titles of articles.

Use the power of the best quality search engine in the world to find scholarly sources .

Note: Google and Google Scholar are different search engines.

To use Google Scholar, go to: https://scholar.google.com

Then, search on google scholar using keywords. I’m going to search keywords for an essay on the topic: “What are the traits of a good nurse?”

If you really like the idea of that first source, I recommend copying the title and trying your University online search database. Your university may give you free access.

4. Cite at least 50% sources you found on your Own Research

Okay, so I’ve told you that you should cite both assigned readings and readings you find from Google Scholar.

Here’s the ideal mix of assigned sources and sources that you found yourself: 50/50.

Your teacher will want to see that you can use both assigned readings and do your own additional research to write a top essay . This shows you’ve got great research skills but also pay attention to what is provided in class.

I recommend that you start with the assigned readings and try to get as much information out of them, then find your own additional sources beyond that using Google Scholar.

So, if your essay has 10 citations, a good mix is 5 assigned readings and 5 readings you found by yourself.

5. Cite Newer Sources

As a general rule, the newer the source the better .

The best rule of thumb that most teachers follow is that you should aim to mostly cite sources from the past 10 years . I usually accept sources from the past 15 years when marking essays.

However, sometimes you have a really great source that’s 20, 30 or 40 years old. You should only cite these sources if they’re what we call ‘seminal texts’. A seminal text is one that was written by an absolute giant in your field and revolutionized the subject.

Here’s some examples of seminal authors whose old articles you would be able to cite despite the fact that they’re old:

• Education: Vygotsky, Friere, Piaget
• Sociology: Weber, Marx, C. Wright Mills
• Psychology: Freud, Rogers, Jung

Even if I cite seminal authors, I always aim for at least 80% of my sources to have been written in the past 10 years.

6. Reference twice per Paragraph

How much should you reference?

Here’s a good strategy: Provide two citations in every paragraph in the body of the essay.

It’s not compulsory to reference in the introduction and conclusion . However, in all the other paragraphs, aim for two citations.

Let’s go over the key strategies for achieving this:

• These two citations should be to different sources, not the same sources twice;
• Two citations per paragraph shows your points are backed up by not one, but two expert sources;
• Place one citation in the first half of the paragraph and one in the second half. This will indicate to your marker that all the points in the whole paragraph are backed up by your citations.

This is a good rule of thumb for you when you’re not sure when and how often to reference. When you get more confident with your referencing, you can mix this up a little.

7. The sum total of your sources should be minimum 1 per 150 words

You can, of course, cite one source more than once throughout the essay. You might cite the same source in the second, fourth and fifth paragraphs. That’s okay.

But, you don’t want your whole essay to be based on a narrow range of sources. You want your marker to see that you have consulted multiple sources to get a wide range of information on the topic. Your marker wants to know that you’ve seen a range of different opinions when coming to your conclusions.

When you get to the end of your essay, check to see how many sources are listed in the end-text reference list. A good rule of thumb is 1 source listed in the reference list per 150 words. Here’s how that breaks down by essay size:

• 1500 word essay: 10 sources (or more) listed in the reference list
• 2000 word essay: 13 sources (or more) listed in the reference list
• 3000 word essay: 20 sources (or more) listed in the reference list
• 5000 word essay: 33 sources (or more) listed in the reference list

8. Instantly improve your Reference List with these Three Tips

Here’s two things you can do to instantly improve your reference list. It takes less than 20 seconds and gives your reference list a strong professional finish:

a) Ensure the font size and style are the same

You will usually find that your whole reference list ends up being in different font sizes and styles. This is because you tend to copy and paste the titles and names in the citations from other sources. If you submit the reference list with font sizes and styles that are not the same as the rest of the essay, the piece looks really unprofessional.

So, quickly highlight the whole reference list and change its font to the same font size and style as the rest of your essay. The screencast at the end of Step 8 walks you through this if you need a hand!

b) List your sources in alphabetical order.

Nearly every referencing style insists that references be listed in alphabetical order. It’s a simple thing to do before submitting and makes the piece look far more professional.

If you’re using Microsoft Word, simply highlight your whole reference list and click the A>Z button in the toolbar. If you can’t see it, you need to be under the ‘home’ tab (circled below):

You’ve probably never heard of a hanging indent. It’s a style where the second line of the reference list is indented further from the left-hand side of the page than the first line. It’s a strategy that’s usually used in reference lists provided in professional publications.

If you use the hanging indent, your reference list will look far more professional.

Here’s a quick video of me doing it for you:

9. Do one special edit especially for Referencing Style

The top students edit their essays three to five times spaced out over a week or more before submitting. One of those edits should be specifically for ensuring your reference list adheres to the referencing style that your teacher requires.

To do this, I recommend you get that cheat sheet printout that I mentioned in Step 1 and have it by your side while you read through the piece. Pay special attention to the use of commas, capital letters, brackets and page numbers for all citations. Also pay attention to the reference list: correct formatting of the reference list can be the difference between getting the top mark in the class and the fifth mark in the class. At the higher end of the marking range, things get competitive and formatting of the reference list counts.

A Quick Summary of the 9 Top Strategies…

Follow the rules of your referencing style guide (and that cheat sheet I recommended!) and use the top 9 tips above to improve your referencing and get top marks. Not only will your referencing look more professional, you’ll probably increase the quality of the content of your piece as well when you follow these tips!

Here’s a final summary of the 9 top tips:

Strategies for How to Reference in an Essay (9 Strategies of Top Students)

• Print out your Reference Style Cheat Sheet
• Only cite Experts
• Always use Google Scholar
• Cite at least 50% sources you found on your Own Research
• Cite Newer Sources
• Reference twice per Paragraph
• The sum total of your sources should be minimum 1 per 150 words
• Instantly improve your Reference List with these Three Tips
• Do one special edit especially for Referencing Style

• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 25 Number Games for Kids (Free and Easy)
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 25 Word Games for Kids (Free and Easy)
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 25 Outdoor Games for Kids
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 50 Incentives to Give to Students

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A publication of the harvard college writing program.

Harvard Guide to Using Sources 

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Citations provide information to help your audience locate the sources you consulted when writing a paper or preparing a presentation. Some of your instructors will specify which citation format you should use; others will tell you to choose your own citation format as long as you use it consistently. The most common citation formats are MLA (Modern Language Association) style, which is primarily used for papers in the humanities; APA (American Psychological Association) style, which is primarily used for papers in the social sciences; and Chicago style (The Chicago Manual of Style), which is used for both humanities and social science papers.

Some of your courses at Harvard will require you to use other citation formats. Some science courses may require you to use the citation style of the American Medical Association (AMA). AMA style is considered a standard citation format for academic writing in the sciences and is used in many textbooks and medical journals. The AMA Manual of Style is available online . The American Chemical Society publishes its own style guide , which you may be asked to use in chemistry courses. The Harvard Department of Economics provides students with a departmental style guide, which you can find  here . If you are not sure which format to use for a specific course, consult your instructor.

Both APA and MLA styles require you to credit your sources in two ways. First, you must include a parenthetical citation in the text of your paper that indicates the source of a particular quotation, paraphrased statement or idea, or fact; second, you must include a list of references at the end of your paper that enables readers to locate the sources you have used. You can read more about MLA style here and APA style here .

Chicago style also requires you to credit your sources both in the text and at the end of your paper. Chicago offers guidance on two types of in-text citations–notes or parenthetical citations. You can read more about Chicago style here .

If you have questions about which citation style to use, you should always check with your instructor.

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In your academic work you will be reading and responding to the work of others. You need to acknowledge this work in your own writing through referencing.

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What is referencing?

Referencing is how you acknowledge the source of the information you have used (referred to) in your work. It helps to make clear to the reader how you have used the work of others to develop your own ideas and arguments.

Whether you are quoting directly from a book, summarising an idea from a journal article, illustrating a point with an image, or paraphrasing an opinion from a newspaper article, you need to give credit to the original creator of the work.

Explore methods for effectively managing information throughout your research.

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Sometimes the words used to describe referencing can be confusing, especially as they are often used interchangeably. To keep things simple, here is a quick summary of key referencing terms:

Citation : this is an acknowledgement that you place in your writing at the point you have referred to someone else’s work.  It may be in the author-date format (e.g., Jones, 2020) or in numeric format (e.g. [1].)

Reference : each citation should have a corresponding reference, which provides further details about the source of information you have used. This may include the creator’s name, date of publication, title of the work, publisher details and a URL if accessed online. References are usually placed at the end of your writing in a reference list .

Bibliography : this is another name for the list of references at the end of your document.  A reference list usually only contains references for material you have cited in your work.  A bibliography may also include references for materials you have read or consulted but not cited.

What do you need to reference?

You need to reference every time you use the work of others. This could include:

• computer code

Whatever the information source: website, textbook, journal article, magazine, newspaper, YouTube Video, or social media site, if you have quoted, paraphrased or summarised another person’s work, you need to reference it.

However, you do not need to reference commonly known facts, for example:

"Newcastle upon Tyne is in the North East of England".

Why do you need to reference?

Referencing is important for the integrity and quality of your academic writing. Here’s why:

Referencing:

• gives authority to your work by showing the breadth of your reading
• shows the reader how you have developed your arguments and engaged with the ideas of others
• enables a reader to see the original sources that you've used; they can follow up on your references so they can learn more about the ideas you’ve discussed in your work or check any facts and figures
• allows others to use your work as a research source (for which you should be cited!)
• makes clear which ideas are your own and those inspired by others; this enables you to avoid plagiarism

The quality of your referencing can affect the marks you’re given for assessments, so it’s worth taking the time to get them right.

How to reference

In a nutshell, referencing is a two-step process. Whenever you refer to another source of information, you need to firstly insert a citation in your text, and secondly, expand on that citation in a full reference at the end of your work.

How you format your citations and references will depend on the referencing style that you use and the type of information you’re referencing.

Referencing styles

Referencing styles are a set of instructions. They tell you what information you need to include in your reference, the order that information should appear, and the way it should be formatted in your work.

Referencing styles will provide specific instructions for different information types too, meaning a reference for a book will look different to a reference for a website. Check your programme handbook or ask your module leader which referencing style you should be using.

Cite Them Right Harvard is the most frequently used referencing style at the University, and if your school does not have a preferred style, is the one that we would recommend. You can find out more about Cite Them Right Harvard and other referencing styles, including examples of citations and references, on our Referencing Guide or on Cite Them Right.

Find out more about plagiarism and how to avoid it by quoting and paraphrasing the work of others effectively in your writing.

Referencing guide

Explore different referencing styles and referencing examples.

Cite Them Right tutorial

Access a comprehensive guide to referencing different information types in a range of referencing styles including, Harvard, IEEE, APA, OSCOLA and Vancouver.

Referencing tools

Keeping track of all your references and making sure you consistently follow your referencing style might seem a little daunting, but there are lots of tools that can help you manage and format your citations and references correctly.

• Look out for cite options on Library Search, Google Scholar and subject databases.
• Generate citations and bibliographies using reference building tools such as Cite This for Me or ZoteroBib.
• Explore reference management software such as EndNote, Mendeley or Zotero.

Whatever tool you use, it’s always a good idea to get to know the conventions of the referencing style, so that you can spot mistakes or missing information.  Use guidance from your School, or check examples in Cite Them Right to make sure your references are accurate.

EndNote guide

Find out how to access EndNote and set up your own Library of references.

Online and downloadable resources

Referencing checklist

Top tips to help you manage your referencing effectively. **PDF Download**

Referencing quiz

Put your knowledge to the test in our referencing quiz. **Online quiz**

Citing generative AI guide

An overview guide to citing ChatGPT and other generative AI tools in different styles. **PDF Download**

University Library

From books to blogs, datasets to documentaries, artworks to archives, the Library can help you navigate your way through a complex information world.

How to reference at university level

What is referencing here we explain everything you’ll need to know about how to correctly reference your work at university .

Grace McCabe

Whatever subject you are studying, you will need to include references any time you use ideas or quotes from previous research and books in your essays, papers, reports or assignments.

What is referencing?

Referencing is when we include where we got our sources in our writing. By including references, you can support your ideas and ensure you don’t plagiarise (claim someone else’s idea or words as your own).

There are lots of referencing styles, but most include:

- A citation referring to the source of the text or idea  - A reference list or bibliography with the full details of all sources 

Why do we reference our work? 

- To give the original author credit when using their ideas  - Validate your points  - Allow the reader to follow up on sources  - Allow the reader to see how recent the sources are  - Prove that you have read up about the subject  - Avoid committing plagiarism 

What is plagiarism? 

Plagiarism is the copying of ideas and presenting them as your own, either directly or indirectly. This can include copying and pasting text or images without saying where they are from, not marking a quotation or summarising without including the original source. So, make sure you always include the original author. 

Plagiarism is an academic offence and universities will not take it lightly if you have been found to plagiarise your work. If you are found plagiarising work at university, you will probably be failed, receive a warning and may even be removed from your course.  

Most universities ask for a signed declaration from students to confirm all work is their own and will scan your submissions using anti-plagiarism software. 

What are the referencing styles used at university? 

There are many different referencing styles, and your university and tutors will confirm which style they want you to use. It can vary across faculties so make sure you know which style is preferred for your chosen subjects. 

Common referencing styles include: 

- Harvard style  - Modern Language Association (MLA)  - American Psychological Association (APA)  - Modern Humanities Research Association (MHRA)  - Oxford University Standard for the Citation of Legal Authorities (OSCOLA)  - Institute of Electrical and Electronics Engineers (IEEE)  - American Medical Association (AMA)  - Chicago/Turabian style  - Vancouver style 

Tempted to pay for your essays? Tips for writing a convincing thesis How to make a good impression on your university tutor

Which referencing style should I use? 

Your university will have a referencing style guide for all students that gives examples of how they want you to reference your sources. However, if you are given the choice, many find Harvard style the most straightforward and easy to use.

Harvard style is most common in the UK, MHRA is used in humanities, APA style is used in social sciences, Vancouver is often used in biomedicine and OSCOLA is used for referencing in law. 

How do I use in-text citations? 

If you use quotes, paraphrase other’s comments or refer to other people’s points of view, you need to include an in-text citation. Quotes need to be shown using quotation marks to show that it is a direct copy of someone else’s words.

In a similar way, paraphrasing, where you rephrase the original source, still needs a citation but does not need quotation marks. The format of your in-text citation will change depending on what style of referencing you must use.

For example, in Harvard referencing you will write the quote followed by (author’s surname, date of publication) in brackets.

How do I write a bibliography or list of references? 

The bibliography is where you include all the information related to any sources you have cited throughout your essay, project or assignment. Some referencing styles such as OSCOLA or Chicago style don’t require a bibliography at the end of the piece because they have full source information included in the footnotes throughout, therefore the information has already been provided. 

Most of the time these lists are formatted alphabetically by the author’s last name and will include information about the source so others can refer to it if they wish.  Sometimes you need to include sources that you read but may have not used in your final piece, depending on the style of referencing you choose. 

These lists are an excellent way to stay organised because you can add your sources as you are reading and studying and then you will have a great source to refer to once you start working on your assignment. 

An example of a bibliography entry in the Harvard style would be: 

Author’s last name, first initial(s) (year of publication) name of book/source, edition, company and location 

Are there tools to help me reference sources? 

There are some sites and tools that can help when it comes to referencing. Often universities will make it clear whether you are allowed to use these tools and which ones they would recommend for their students.  

Universities will also provide guides to referencing.  

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English and Related Literature

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Rules for referencing and citation

Why  reference essays.

Referencing your work properly is one of the most important ways that you can establish the authority of your ideas, and allows you to situate your own ideas and arguments in relation to those of other scholars.

Referencing is also an important way of acknowledging your debts to other scholars. Properly referencing your work is one of the best ways of avoiding plagiarism.

You can find out more about referencing by browsing the university's  academic integrity pages

How to reference essays

The English department requires that you reference your essays in accordance with either the Chicago Manual of Style or the MLA Style guide.

The university produces handy guides to these referencing systems, which you should consult:

• Chicago style referencing
• MLA style referencing

For instructions how to reference a wide variety of different sources, consult the examples collected in the university's academic integrity site:

This article is available to download for free as a PDF for use as a personal learning tool or for use in the classroom as a teaching resource.

Department of English and Related Literature University of York , York , YO10 5DD , UK Tel: work +44 (0) 1904 323366 | [email protected]

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• Academic Skills
• Reading, writing and referencing
• Referencing and research

Referencing

A step by step approach to help you manage and acknowledge sources effectively.

What is referencing?

Written work at university requires correct referencing. Evans (1995) defines referencing as “the labelling of material you have drawn from other writers with enough information for the reader to be able to locate the source” (p.52).

To make sure that you don’t lose marks unnecessarily or worse, unintentionally plagiarise material, it is important to get referencing right.

There are usually two parts to any reference:

• An indicator within the text which points out that material has been drawn from elsewhere (usually a number, footnote, or the author’s name and date, often called an in-text reference or citation).
• Detailed information about the source at the bottom of the page (often called footnotes) and/or at the end of the paper (often called end-of-text or bibliographic referencing)

How to reference effectively

There are many different formatting styles for referencing (e.g. APA, Harvard, MLA, Vancouver, Chicago). Whichever style you use, you need to apply it accurately and consistently.

The best way to do this is to take a step by step approach in which you:

• Plan how you want to manage information before you start researching
• Record information carefully while reading and writing
• Edit your work carefully using a style guide before submitting.

We’ve outlined three approaches to managing your references below. Want to know which method might work best for you? Check out the  options for managing references guide from the library.

You can choose to do it ‘manually’, meaning you take careful notes  and record information about the sources you use, then follow a style guide (such as  re:cite ) to format your reference list and in-text citations yourself.

Citation generators

You can also use online citation generators (such as the one available in  Google Scholar ) to generate reference list entries for your sources. You still need to manually add in-text citations and double check the reference list is accurate using a style guide – they do occasionally make mistakes.

Reference management software

Software such as Endnote, Zotero or Mendeley are particularly useful when you’re writing longer papers with a significant research component (30+ sources). You can create your own library of references, insert citations or footnotes and generate bibliographies.

Check your subject guide or assessment instructions, and if you’re still not sure ask your lecturer.

It’s important to know exactly which style you need to use as there are quite a few (e.g. APA, Harvard, MLA, Vancouver, Chicago) and they all have different, and very specific, conventions that you need to follow.

A style guide outlines the rules you need to follow and will often give you helpful examples.  Re:cite is the University of Melbourne’s guide to citing and referencing. You’ll need this even if you are using citation generators or reference management software, as you still need to double check them for accuracy.

So you know what to note down, read through the general style notes for an overview of the key features of the style e.g. author-date or numerical, chronological or alphabetical organization of reference list, if and when page numbers are required in citations.

Always label sources clearly when you’re taking notes, including author(s), year, page number and indicate clearly if it’s a quote or paraphrase. This helps you to keep track of where ideas came from and avoid accidental plagiarism.

Even if you’re only writing a rough draft, it’s a good idea to label sources as you use them. To avoid disrupting the flow of your writing don’t worry about following the rules exactly, just include enough information to help you locate the information again – author, year and page number is often enough.

After you have finished writing, go back and format your in-text citations. Read through your work, highlight anything you’ve used from another source (including data, ideas, words, images, and tables) and check your work against the style guide.

Key things to look for in the style guide are:

• Does this style use a number, or the author name and year in brackets?
• How do you deal with multiple authors?
• Is the formatting different for quotation and paraphrasing?
• Is the formatting different if you use the author’s name in the wording of your sentence?
• How does this style deal with secondary citation? (i.e. you want to refer to information that the source you read (the secondary source), borrowed from another writer [the primary source]).

First, you need to identify the  type of source you are using (e.g. online journal, book, government report). This is important because each type of publication requires different information. For example, for journals you may need to include volume and page numbers, and for books you often need a place of publication.

Ask yourself:

• Is it online or print?
• Academic? (e.g. a journal article)
• Professional? (e.g. trade journal)
• Popular? (e.g. newspapers or TV)
• Social? (e.g. blogs or posts).

Then, look at how bibliographic details are presented for that type of source in the style guide. Does it use endnotes, a reference list, or a bibliography?

Notice the punctuation, capitalisation, order of information and general formatting. Every small detail is important.

Always remember that referencing isn’t just something you do when you have finished writing.

Keeping track of the sources you use throughout your writing process will help you to avoid accidental plagiarism, acknowledge others’ work, show that you’ve considered the topic carefully and help your readers to find the sources you used.

Following the seven key steps above to do this will help you reference easily and effectively.

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Reference List: Common Reference List Examples

Article (with doi).

Alvarez, E., & Tippins, S. (2019). Socialization agents that Puerto Rican college students use to make financial decisions. Journal of Social Change , 11 (1), 75–85. https://doi.org/10.5590/JOSC.2019.11.1.07

Laplante, J. P., & Nolin, C. (2014). Consultas and socially responsible investing in Guatemala: A case study examining Maya perspectives on the Indigenous right to free, prior, and informed consent. Society & Natural Resources , 27 , 231–248. https://doi.org/10.1080/08941920.2013.861554

Use the DOI number for the source whenever one is available. DOI stands for "digital object identifier," a number specific to the article that can help others locate the source. In APA 7, format the DOI as a web address. Active hyperlinks for DOIs and URLs should be used for documents meant for screen reading. Present these hyperlinks in blue and underlined text (the default formatting in Microsoft Word), although plain black text is also acceptable. Be consistent in your formatting choice for DOIs and URLs throughout your reference list. Also see our Quick Answer FAQ, "Can I use the DOI format provided by library databases?"

Jerrentrup, A., Mueller, T., Glowalla, U., Herder, M., Henrichs, N., Neubauer, A., & Schaefer, J. R. (2018). Teaching medicine with the help of “Dr. House.” PLoS ONE , 13 (3), Article e0193972. https://doi.org/10.1371/journal.pone.0193972

For journal articles that are assigned article numbers rather than page ranges, include the article number in place of the page range.

For more on citing electronic resources, see  Electronic Sources References .

Article (Without DOI)

Found in a common academic research database or in print.

Casler , T. (2020). Improving the graduate nursing experience through support on a social media platform. MEDSURG Nursing , 29 (2), 83–87.

If an article does not have a DOI and you retrieved it from a common academic research database through the university library, there is no need to include any additional electronic retrieval information. The reference list entry looks like the entry for a print copy of the article. (This format differs from APA 6 guidelines that recommended including the URL of a journal's homepage when the DOI was not available.) Note that APA 7 has additional guidance on reference list entries for articles found only in specific databases or archives such as Cochrane Database of Systematic Reviews, UpToDate, ProQuest Dissertations and Theses Global, and university archives. See APA 7, Section 9.30 for more information.

Found on an Open Access Website

Eaton, T. V., & Akers, M. D. (2007). Whistleblowing and good governance. CPA Journal , 77 (6), 66–71. http://archives.cpajournal.com/2007/607/essentials/p58.htm

Provide the direct web address/URL to a journal article found on the open web, often on an open access journal's website. In APA 7, active hyperlinks for DOIs and URLs should be used for documents meant for screen reading. Present these hyperlinks in blue and underlined text (the default formatting in Microsoft Word), although plain black text is also acceptable. Be consistent in your formatting choice for DOIs and URLs throughout your reference list.

Weinstein, J. A. (2010).  Social change  (3rd ed.). Rowman & Littlefield.

If the book has an edition number, include it in parentheses after the title of the book. If the book does not list any edition information, do not include an edition number. The edition number is not italicized.

American Nurses Association. (2015). Nursing: Scope and standards of practice (3rd ed.).

If the author and publisher are the same, only include the author in its regular place and omit the publisher.

Lencioni, P. (2012). The advantage: Why organizational health trumps everything else in business . Jossey-Bass. https://amzn.to/343XPSJ

As a change from APA 6 to APA 7, it is no longer necessary to include the ebook format in the title. However, if you listened to an audiobook and the content differs from the text version (e.g., abridged content) or your discussion highlights elements of the audiobook (e.g., narrator's performance), then note that it is an audiobook in the title element in brackets. For ebooks and online audiobooks, also include the DOI number (if available) or nondatabase URL but leave out the electronic retrieval element if the ebook was found in a common academic research database, as with journal articles. APA 7 allows for the shortening of long DOIs and URLs, as shown in this example. See APA 7, Section 9.36 for more information.

Chapter in an Edited Book

Poe, M. (2017). Reframing race in teaching writing across the curriculum. In F. Condon & V. A. Young (Eds.), Performing antiracist pedagogy in rhetoric, writing, and communication (pp. 87–105). University Press of Colorado.

Include the page numbers of the chapter in parentheses after the book title.

Christensen, L. (2001). For my people: Celebrating community through poetry. In B. Bigelow, B. Harvey, S. Karp, & L. Miller (Eds.), Rethinking our classrooms: Teaching for equity and justice (Vol. 2, pp. 16–17). Rethinking Schools.

Also include the volume number or edition number in the parenthetical information after the book title when relevant.

Freud, S. (1961). The ego and the id. In J. Strachey (Ed.),  The standard edition of the complete psychological works of Sigmund Freud  (Vol. 19, pp. 3-66). Hogarth Press. (Original work published 1923)

When a text has been republished as part of an anthology collection, after the author’s name include the date of the version that was read. At the end of the entry, place the date of the original publication inside parenthesis along with the note “original work published.” For in-text citations of republished work, use both dates in the parenthetical citation, original date first with a slash separating the years, as in this example: Freud (1923/1961). For more information on reprinted or republished works, see APA 7, Sections 9.40-9.41.

Classroom Resources

Citing classroom resources.

If you need to cite content found in your online classroom, use the author (if there is one listed), the year of publication (if available), the title of the document, and the main URL of Walden classrooms. For example, you are citing study notes titled "Health Effects of Exposure to Forest Fires," but you do not know the author's name, your reference entry will look like this:

Health effects of exposure to forest fires [Lecture notes]. (2005). Walden University Canvas. https://waldenu.instructure.com

If you do know the author of the document, your reference will look like this:

Smith, A. (2005). Health effects of exposure to forest fires [PowerPoint slides]. Walden University Canvas. https://waldenu.instructure.com  

A few notes on citing course materials:

• [Lecture notes]
• [Course handout]
• [Study notes]
• It can be difficult to determine authorship of classroom documents. If an author is listed on the document, use that. If the resource is clearly a product of Walden (such as the course-based videos), use Walden University as the author. If you are unsure or if no author is indicated, place the title in the author spot, as above.
• If you cannot determine a date of publication, you can use n.d. (for "no date") in place of the year.

Note:  The web location for Walden course materials is not directly retrievable without a password, and therefore, following APA guidelines, use the main URL for the class sites: https://class.waldenu.edu.

Citing Tempo Classroom Resources

Clear author: 

Smith, A. (2005). Health effects of exposure to forest fires [PowerPoint slides]. Walden University Brightspace. https://mytempo.waldenu.edu

Unclear author:

Health effects of exposure to forest fires [Lecture notes]. (2005). Walden University Brightspace. https://mytempo.waldenu.edu

Conference Sessions and Presentations

Feinman, Y. (2018, July 27). Alternative to proctoring in introductory statistics community college courses [Poster presentation]. Walden University Research Symposium, Minneapolis, MN, United States. https://scholarworks.waldenu.edu/symposium2018/23/

Torgerson, K., Parrill, J., & Haas, A. (2019, April 5-9). Tutoring strategies for online students [Conference session]. The Higher Learning Commission Annual Conference, Chicago, IL, United States. http://onlinewritingcenters.org/scholarship/torgerson-parrill-haas-2019/

Dictionary Entry

Merriam-Webster. (n.d.). Leadership. In Merriam-Webster.com dictionary . Retrieved May 28, 2020, from https://www.merriam-webster.com/dictionary/leadership

When constructing a reference for an entry in a dictionary or other reference work that has no byline (i.e., no named individual authors), use the name of the group—the institution, company, or organization—as author (e.g., Merriam Webster, American Psychological Association, etc.). The name of the entry goes in the title position, followed by "In" and the italicized name of the reference work (e.g., Merriam-Webster.com dictionary , APA dictionary of psychology ). In this instance, APA 7 recommends including a retrieval date as well for this online source since the contents of the page change over time. End the reference entry with the specific URL for the defined word.

Discussion Board Post

Osborne, C. S. (2010, June 29). Re: Environmental responsibility [Discussion post]. Walden University Canvas.  https://waldenu.instructure.com  

Dissertations or Theses

Retrieved From a Database

Nalumango, K. (2019). Perceptions about the asylum-seeking process in the United States after 9/11 (Publication No. 13879844) [Doctoral dissertation, Walden University]. ProQuest Dissertations and Theses.

Retrieved From an Institutional or Personal Website

Evener. J. (2018). Organizational learning in libraries at for-profit colleges and universities [Doctoral dissertation, Walden University]. ScholarWorks. https://scholarworks.waldenu.edu/cgi/viewcontent.cgi?article=6606&context=dissertations

Unpublished Dissertation or Thesis

Kirwan, J. G. (2005). An experimental study of the effects of small-group, face-to-face facilitated dialogues on the development of self-actualization levels: A movement towards fully functional persons [Unpublished doctoral dissertation]. Saybrook Graduate School and Research Center.

For further examples and information, see APA 7, Section 10.6.

Legal Material

For legal references, APA follows the recommendations of The Bluebook: A Uniform System of Citation , so if you have any questions beyond the examples provided in APA, seek out that resource as well.

Court Decisions

Reference format:

Name v. Name, Volume Reporter Page (Court Date). URL

Sample reference entry:

Brown v. Board of Education, 347 U.S. 483 (1954). https://www.oyez.org/cases/1940-1955/347us483

Sample citation:

In Brown v. Board of Education (1954), the Supreme Court ruled racial segregation in schools unconstitutional.

Note: Italicize the case name when it appears in the text of your paper.

Name of Act, Title Source § Section Number (Year). URL

Sample reference entry for a federal statute:

Individuals With Disabilities Education Act, 20 U.S.C. § 1400 et seq. (2004). https://www.congress.gov/108/plaws/publ446/PLAW-108publ446.pdf

Sample reference entry for a state statute:

Minnesota Nurse Practice Act, Minn. Stat. §§ 148.171 et seq. (2019). https://www.revisor.mn.gov/statutes/cite/148.171

Sample citation: Minnesota nurses must maintain current registration in order to practice (Minnesota Nurse Practice Act, 2010).

Note: The § symbol stands for "section." Use §§ for sections (plural). To find this symbol in Microsoft Word, go to "Insert" and click on Symbol." Look in the Latin 1-Supplement subset. Note: U.S.C. stands for "United States Code." Note: The Latin abbreviation " et seq. " means "and what follows" and is used when the act includes the cited section and ones that follow. Note: List the chapter first followed by the section or range of sections.

Unenacted Bills and Resolutions

(Those that did not pass and become law)

Title [if there is one], bill or resolution number, xxx Cong. (year). URL

Sample reference entry for Senate bill:

Anti-Phishing Act, S. 472, 109th Cong. (2005). https://www.congress.gov/bill/109th-congress/senate-bill/472

Sample reference entry for House of Representatives resolution:

Anti-Phishing Act, H.R. 1099, 109th Cong. (2005). https://www.congress.gov/bill/109th-congress/house-bill/1099

The Anti-Phishing Act (2005) proposed up to 5 years prison time for people running Internet scams.

These are the three legal areas you may be most apt to cite in your scholarly work. For more examples and explanation, see APA 7, Chapter 11.

Magazine Article

Clay, R. (2008, June). Science vs. ideology: Psychologists fight back about the misuse of research. Monitor on Psychology , 39 (6). https://www.apa.org/monitor/2008/06/ideology

Note that for citations, include only the year: Clay (2008). For magazine articles retrieved from a common academic research database, leave out the URL. For magazine articles from an online news website that is not an online version of a print magazine, follow the format for a webpage reference list entry.

Newspaper Article (Retrieved Online)

Baker, A. (2014, May 7). Connecticut students show gains in national tests. New York Times . http://www.nytimes.com/2014/05/08/nyregion/national-assessment-of-educational-progress-results-in-Connecticut-and-New-Jersey.html

Include the full date in the format Year, Month Day. Do not include a retrieval date for periodical sources found on websites. Note that for citations, include only the year: Baker (2014). For newspaper articles retrieved from a common academic research database, leave out the URL. For newspaper articles from an online news website that is not an online version of a print newspaper, follow the format for a webpage reference list entry.

OASIS Resources

Oasis webpage.

OASIS. (n.d.). Common reference list examples . Walden University. https://academicguides.waldenu.edu/writingcenter/apa/references/examples

For all OASIS content, list OASIS as the author. Because OASIS webpages do not include publication dates, use “n.d.” for the year.

Interactive Guide

OASIS. (n.d.). Embrace iterative research and writing [Interactive guide]. Walden University. https://academics.waldenu.edu/oasis/iterative-research-writing-web

For OASIS multimedia resources, such as interactive guides, include a description of the resource in brackets after the title.

Online Video/Webcast

Walden University. (2013).  An overview of learning  [Video]. Walden University Canvas.  https://waldenu.instructure.com  

Use this format for online videos such as Walden videos in classrooms. Most of our classroom videos are produced by Walden University, which will be listed as the author in your reference and citation. Note: Some examples of audiovisual materials in the APA manual show the word “Producer” in parentheses after the producer/author area. In consultation with the editors of the APA manual, we have determined that parenthetical is not necessary for the videos in our courses. The manual itself is unclear on the matter, however, so either approach should be accepted. Note that the speaker in the video does not appear in the reference list entry, but you may want to mention that person in your text. For instance, if you are viewing a video where Tobias Ball is the speaker, you might write the following: Tobias Ball stated that APA guidelines ensure a consistent presentation of information in student papers (Walden University, 2013). For more information on citing the speaker in a video, see our page on Common Citation Errors .

Taylor, R. [taylorphd07]. (2014, February 27). Scales of measurement [Video]. YouTube. https://www.youtube.com/watch?v=PDsMUlexaMY

OASIS. (2020, April 15). One-way ANCOVA: Introduction [Video]. YouTube. https://youtu.be/_XnNDQ5CNW8

For videos from streaming sites, use the person or organization who uploaded the video in the author space to ensure retrievability, whether or not that person is the speaker in the video. A username can be provided in square brackets. As a change from APA 6 to APA 7, include the publisher after the title, and do not use "Retrieved from" before the URL. See APA 7, Section 10.12 for more information and examples.

See also reference list entry formats for TED Talks .

Technical and Research Reports

Edwards, C. (2015). Lighting levels for isolated intersections: Leading to safety improvements (Report No. MnDOT 2015-05). Center for Transportation Studies. http://www.cts.umn.edu/Publications/ResearchReports/reportdetail.html?id=2402

Technical and research reports by governmental agencies and other research institutions usually follow a different publication process than scholarly, peer-reviewed journals. However, they present original research and are often useful for research papers. Sometimes, researchers refer to these types of reports as gray literature , and white papers are a type of this literature. See APA 7, Section 10.4 for more information.

Reference list entires for TED Talks follow the usual guidelines for multimedia content found online. There are two common places to find TED talks online, with slightly different reference list entry formats for each.

TED Talk on the TED website

If you find the TED Talk on the TED website, follow the format for an online video on an organizational website:

Owusu-Kesse, K. (2020, June). 5 needs that any COVID-19 response should meet [Video]. TED Conferences. https://www.ted.com/talks/kwame_owusu_kesse_5_needs_that_any_covid_19_response_should_meet

The speaker is the author in the reference list entry if the video is posted on the TED website. For citations, use the speaker's surname.

TED Talk on YouTube

If you find the TED Talk on YouTube or another streaming video website, follow the usual format for streaming video sites:

TED. (2021, February 5). The shadow pandemic of domestic violence during COVID-19 | Kemi DaSilvalbru [Video]. YouTube. https://www.youtube.com/watch?v=PGdID_ICFII

TED is the author in the reference list entry if the video is posted on YouTube since it is the channel on which the video is posted. For citations, use TED as the author.

Walden University Course Catalog

To include the Walden course catalog in your reference list, use this format:

Walden University. (2020). 2019-2020 Walden University catalog . https://catalog.waldenu.edu/index.php

If you cite from a specific portion of the catalog in your paper, indicate the appropriate section and paragraph number in your text:

...which reflects the commitment to social change expressed in Walden University's mission statement (Walden University, 2020, Vision, Mission, and Goals section, para. 2).

And in the reference list:

Walden University. (2020). Vision, mission, and goals. In 2019-2020 Walden University catalog. https://catalog.waldenu.edu/content.php?catoid=172&navoid=59420&hl=vision&returnto=search

Vartan, S. (2018, January 30). Why vacations matter for your health . CNN. https://www.cnn.com/travel/article/why-vacations-matter/index.html

For webpages on the open web, include the author, date, webpage title, organization/site name, and URL. (There is a slight variation for online versions of print newspapers or magazines. For those sources, follow the models in the previous sections of this page.)

American Federation of Teachers. (n.d.). Community schools . http://www.aft.org/issues/schoolreform/commschools/index.cfm

If there is no specified author, then use the organization’s name as the author. In such a case, there is no need to repeat the organization's name after the title.

In APA 7, active hyperlinks for DOIs and URLs should be used for documents meant for screen reading. Present these hyperlinks in blue and underlined text (the default formatting in Microsoft Word), although plain black text is also acceptable. Be consistent in your formatting choice for DOIs and URLs throughout your reference list.

Related Resources

Knowledge Check: Common Reference List Examples

Didn't find what you need? Email us at [email protected] .

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Referencing and citations

Advice and resources to support you with referencing and citations, and avoiding plagiarism.

At university you are expected to read and research, and then use the ideas, information, data and a range of other sources in your own academic work and assignments. However, it is important to make absolutely clear where each idea or piece of information comes from by referencing it (giving your sources) in your own work.

What is referencing? (PDF)

What is referencing? (Word rtf)

When done properly, reference adds credibility and strength to your arguments, as well as demonstrating the effort that you have put into research and reading. There is more information on using your reading and developing your argument in the Reading at university and Academic writing pages.

Reading at university

Academic Writing

Different subjects and disciplines use different referencing styles (or systems). You may even find that different assignments on a course use different styles, depending on the format of the assignment. The different styles, e.g. Harvard, Chicago, OSCOLA, look very different. But when and why you need to reference does not change. There is further information on Different styles in the Go further section of this page.

You need to make sure you know how you are being expected to do this and you should refer to your course, assignment, or programme information provided by your School about what style you are expected to use. If you are unsure, you need to ask someone who teaches you.

Citations vs references

In your work, you need to explicitly indicate and acknowledge when you have used or referred to someone else’s idea or data etc. However, if you were to include the full reference (or bibliographic details) of your evidence, it would disrupt the flow of your argument.

Instead, it is academic convention to give an abbreviated version of the reference details at the point it is being discussed. This is known as a citation or in-text citing. The citation should make an explicit link between the point being presented or discussed, and the evidence you are using.

A reference is the full bibliographic or publication details of a citation. Whilst the in-text citation tells your audience that there is evidence to support your point, the reference gives them all the information they would need to find that evidence and review it themselves. You may cite the same source several times in your argument, however it only needs one reference as it is the same source each time.

Typically, the references of all your citations are collated at the end of a piece of work. Depending on your discipline and the style you are using this may be called a reference list (or works cited ), or a bibliography . Everything you’ve cited in your work must be included in the references or bibliography. However, in some subjects, a bibliography may also include other sources which you have consulted but have not cited in your work. You need to check the information provided by your course or School about what is required.

Tips for accurate referencing (PDF)

Tips for accurate referencing (Word rtf)

Most word processing software has a citation or referencing function so you do not necessarily have to format them all yourself. However you will still need to check that the software has done it properly and in the style that is required. You should be able to find instructions on how to do this for your software in the Help section or by searching online.

It is your responsibility to ensure the accuracy and adequacy of your citations and references. You need to make sure that your citations unambiguously link to the correct reference. You also need to make sure that you have citations everywhere they are needed. If you forget or miss a citation, then the impression you are giving is that the work is your own, when it is in fact someone else’s.

This is called plagiarism and is a form of academic misconduct. Typically plagiarism is due to unintentional, inadequate referencing, but it can also be deliberate.

What is plagiarism? (PDF)

What is plagiarism? (Word rtf)

You should also read the University of Edinburgh’s official guidance and policy on plagiarism:

Academic Services – Plagiarism

The Good academic practice page has additional information and guidance on what’s expected, academic misconduct and support.

Good academic practice

Different styles

The way a reference is abbreviated into a citation, and the format of the bibliographic details at the end of your work differ, depending which style (or system) you are using. Styles generally fall into two categories and relate to what the in-text citation looks like:

• Author-date e.g. APA, Harvard,
• Numeric e.g. Chicago notes and bibliography (NB) format, OSCOLA and Vancouver.

Some styles also include footnotes, which have a distinct purpose and format depending on the style. Be sure to check course or assignment information on if and how to use footnotes.

Information Services provide access to Cite Them Right online, which offers guidance and examples of how to cite and reference different sources (e.g. journal articles, books, web pages) in different styles. If you are not on the University network, you may need to login in via your institution for full access.

Cite Them Right

Reference managers

Once you are accustomed to referencing (including when you need to do it and what it needs to look like), you could start to use a reference manager. Reference management software can automatically format citations and build a reference list or bibliography for you. They can also allow you to store, annotate and groups references in your own personal database. The Academic Support Librarians have put together a Referencing and reference management subject guide with information on the different tools and training available.

Referencing and reference management

This article was published on 2024-02-26

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For information on how to reference this website for non-academic purposes, see the SkillsYouNeed referencing guide .

Citing and referencing information can be daunting for students who do not understand the principles.

There are numerous ways to reference. Different institutions, departments or lecturers may require different styles so check with your teacher, lecturer or instructor if you are unsure.

Bad referencing is a common way for students to lose marks in assignments so it is worth taking the time and effort to learn how to reference correctly.

Why Do We Cite and Reference?

When writing any academic essay, paper, report or assignment, you need to highlight your use of other author's ideas and words so that you:

• Give the original author credit for their own ideas and work
• Validate your arguments
• Enable the reader to follow up on the original work if they wish to
• Enable the reader to see how dated the information might be
• Prove to your tutors/lecturers that you have read around the subject
• Avoid plagiarism

Referencing Styles

There are many different styles of referencing, including Harvard, APA (from the American Psychological Association), Chicago and Vancouver. The Harvard referencing system is of the most popular styles and the remainder of this article deals with this system. However, your university may prefer the use of a different system so check with your lecturer or in your course information as to which referencing style to use.

What is Plagiarism?

• Presenting another's ideas as if they are your own – either directly or indirectly
• Copying or pasting text and images without saying where they came from
• Not showing when a quote is a quote
• Summarising information without showing the original source
• Changing a few words in a section of text without acknowledging the original author

Plagiarism is a serious academic offence.  You are likely to be awarded 0% for an assignment which has evidence of plagiarism. If you continue to plagiarise then you may be excluded from your course.

Most universities will want a signed declaration with submitted work to say that you have not plagiarised. 

Universities use anti-plagiarism software to quickly find plagiarised work. This software usually draws on huge databases of web sources, books, journals and all previously submitted student work to compare your work to so you will be found out.

Therefore, if you plagiarise, you are likely to be caught so don't take the risk and reference properly.

Be Organised

When writing an essay, report, dissertation or other piece of academic work, the key to referencing is organisation. As you go along, keep notes of the books and journal articles you have read and the websites you have visited as part of your research process.

There are various tools to help here. Your university may be able to provide you with some specialist software (Endnote – www.endnote.com ) or you can simply keep a list in a document or try Zotero ( www.zotero.org ) a free plugin for the Firefox browser.

What Needs to be Recorded?

Record as much information as possible in references to make finding the original work simple.

Include the author/s name/s where possible. You should write the surname (last name) first followed by any initials.  If there are more than three authors then you can cite the first author and use the abbreviation 'et al', meaning 'and all'.

For one, two or three authors: Jones A, Davies B, Jenkins C

For more than three authors Jones A et al.

For some sources, especially websites, the name of the author may not be known. In such cases either use the organisation name or the title of the document or webpage.

Example:  SkillsYouNeed or What Are Interpersonal Skills.

Date of Publication

You should include the year of publication or a more specific date if appropriate, for journal or newspaper articles/stories. For webpages look for the when the page was last updated. Include dates in brackets (2020) after author information. If no date can be established, then put (no date).

Title of Piece

Include the title of the piece; this could be the name of the book, the title of a journal article or webpage. Titles are usually written in italics . For books you should also include the edition (if not the first) to make finding information easier. Often when books are republished information remains broadly the same but may be reordered, therefore page numbers may change between editions.

Publisher Information

Usually only relevant for books, but for these you should include the publisher name and place of publication.

Page Numbers

If you are referencing a particular part of a book, then you should include the page number/s you have used in your work. Use p. 123 to indicate page 123 or pp. 123-125 to indicate multiple pages.

URL and Date Accessed

For webpages you need to include the full URL of the page (http://www... etc.) and the date you last accessed the page. The web is not static and webpages can be changed/updated/removed at any time, so it is therefore important to record when you found the information you are referencing.

Once you have recorded the information, you have everything you need in order to reference correctly. Your work should be both referenced in the text and include a reference list or bibliography at the end. The in text reference is an abbreviated version of the full reference in your reference list.

Direct Quotes

If you are directly quoting in your text you should enclose the quote in quotation marks, and include author information:

"Communication is simply the act of transferring information from one place to another." SkillsYouNeed (2019)

For longer direct quotations it may be neater to indent the quotation in its own paragraph.

Your reference list should then include the full version of the reference:

SkillsYouNeed (2022) What is Communication? [online] available at www.skillsyouneed.com/ips/what-is-communication.html (Accessed October 14 2022)

For a book you would use, in your text:

“Long before the twelfth century rhetoricians had collected quotations, particularly from classical authors, into anthologies called florilegia…” (Clanchy, M.T, 1993)

The reference list would then include the full reference:

Clanchy, M.T. (1993) From Memory to Written Record England 1066 – 1307 Oxford, Blackwell, p. 115

The same rules also apply when you are referencing indirectly and you have not included a direct quote. If you have used the ideas of another source, reference both in your text at the relevant point and in your reference list or bibliography at the end of your document.

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Additional Information

When quoting you may sometimes want to leave out some words , in which case use … (three dots).

"Communication is … transferring information from one place to another"

If you need to add words to a quote for clarity, then square brackets are used:

“Communication is simply the act [in communication skills] of transferring information from one place to another.”

You can use [sic] to note an original error and/or foreign spelling , SkillsYouNeed is a UK site and therefore uses UK spellings:

"The color [sic] of the water..."

Continue to: Common Mistakes in Writing Sources of Information

See Also: Note-Taking for Reading What is Theory? | Writing an Essay | Punctuation

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Our top 10 essay referencing tips

(Last updated: 12 May 2021)

Since 2006, Oxbridge Essays has been the UK’s leading paid essay-writing and dissertation service

We have helped 10,000s of undergraduate, Masters and PhD students to maximise their grades in essays, dissertations, model-exam answers, applications and other materials. If you would like a free chat about your project with one of our UK staff, then please just reach out on one of the methods below.

We've constructed a list of our top 10 essay referencing tips to help you achieve a high-quality essay and ensure that you're following all of your universities set referencing requirements. Let's get started...

1. Familiarise yourself

...with the most popular essay referencing systems, which are most notably Oxford ( footnotes ) and Harvard (parenthetical). You can read more on the systems here , or use the Internet to find articles offering guidance on the notation of the major systems, and how and when to use them.

2. Determine

...whether you are expected to use a particular system. In higher education, most work will carry detailed specifications regarding format and referencing, as well as content. In such cases be sure to adopt the required referencing system rather than simply making up your own mind.

3. Know when

...to reference. Referencing is for more than just quotes. Direct quotation of another’s work requires a reference, but so too does paraphrasing of some else's ideas. A good rule of thumb is that whenever a part of your work is substantially dependent on other material for its content, reference must be made to that other work.

4. Be thorough

Referencing is essential for all higher-level academic work because it allows an interested reader to trace the origin of ideas and relevant external material. Incomplete information is an obstacle to this kind of research, so a thorough and meticulous approach is absolutely essential.

5. Be consistent

Determine a system and stick to it to ensure full clarity. Inconsistent use of referencing is a distraction to the reader and indicates carelessness of thought, lack of attention, and disregard for scholarly conventions. A tidy page implies a tidy mind, and this will always score more highly.

...multiple publication dates. Many books – especially the best ones – have enjoyed many reprints, so it is necessary to be sure that your references can be traced to the right pages in the right volumes. It's usually sufficient to cite the date of the publication you are using, but often it can be informative to give the original publication date also, particularly if considering the history of emerging ideas.

7. Is the text a translation?

If so, you should bear in mind the tip above, namely that the original language version was probably published at least a year earlier. Also avoid the trap of taking the translator as the name of a co-author, as this will rather diminish your scholarly credentials!

8. Pay attention to authors and editors

Edited volumes make up a huge part of many areas of academic literature. Don’t confuse author with editor, and always refer to the former rather than the latter. In your list of references you should tackle the problem, thus:

Bloggs, J. ‘How to write a list’, in Doe, J. (ed). 1997 Lists: How To and How Not To, TORG Publishing.

9. Be specific

Different essay referencing systems and different usage of material will require various levels of specificity, e.g. author, year and page number, or just author and year. There can be an element of your own judgement here, but where possible follow the established rules of your adopted system.

10. Learn from the best

The most useful tip of all: look at how published academics do it. Any decent journal article will have a long list of references likely to contain edited volumes, translated material, collaborations and reprints; simply copy the notation. Also look at the text itself to find a model for parenthetical referencing or footnotes.

How to Write an Appendix for your Essay

10 Tips for Polishing your Essays to Achieve Higher Grades

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Citation styles: apa, mla, chicago, turabian, ieee.

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Quick Links

Listed below are a few quick links to resources that will aid you in citing sources.

• Sign up for a Mendeley, EndNote, or Zotero training class.
• APA 7th Edition Published in October 2019. Visit this page for links to resources and examples.
• MLA Need help with citing MLA style? Find information here along with links to books in PittCat and free online resources.
• Chicago/Turabian Need help with citing Chicago/Turabian style? Find examples here along with links to the online style manual and free online resources.

Getting Started: How to use this guide

This LibGuide was designed to provide you with assistance in citing your sources when writing an academic paper.

There are different styles which format the information differently. In each tab, you will find descriptions of each citation style featured in this guide along with links to online resources for citing and a few examples.

What is a citation and citation style?

A citation is a way of giving credit to individuals for their creative and intellectual works that you utilized to support your research. It can also be used to locate particular sources and combat plagiarism. Typically, a citation can include the author's name, date, location of the publishing company, journal title, or DOI (Digital Object Identifier).

A citation style dictates the information necessary for a citation and how the information is ordered, as well as punctuation and other formatting.

How to do I choose a citation style?

There are many different ways of citing resources from your research. The citation style sometimes depends on the academic discipline involved. For example:

• APA (American Psychological Association) is used by Education, Psychology, and Sciences
• MLA (Modern Language Association) style is used by the Humanities
• Chicago/Turabian style is generally used by Business, History, and the Fine Arts

*You will need to consult with your professor to determine what is required in your specific course.

Click the links below to find descriptions of each style along with a sample of major in-text and bibliographic citations, links to books in PittCat, online citation manuals, and other free online resources.

• APA Citation Style
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• Tools for creating bibliographies (CItation Managers)

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• Referencing

Referencing explained

Why and when to reference.

Referencing is an important part of academic work. It puts your work in context, demonstrates the breadth and depth of your research, and acknowledges other people’s work. You should reference whenever you use someone else’s idea.

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These webpages explain what referencing is, why it is important and give an overview of the main elements of how to reference. Our Referencing made simple tutorial opens in a new window and covers how to identify your source and create a reference with interactive examples.

Why reference?

Referencing correctly:

• helps you to avoid plagiarism by making it clear which ideas are your own and which are someone else’s
• shows your understanding of the topic
• gives supporting evidence for your ideas, arguments and opinions
• allows others to identify the sources you have used.

When to reference

Whenever you use an idea from someone else's work, for example from a journal article, textbook or website, you should cite the original author to make it clear where that idea came from. This is the case regardless of whether you have paraphrased, summarised or directly quoted their work. This is a key part of good practice in academic writing.

Read more on:

• academic integrity
• quoting, summarising, paraphrasing, and synthesising
• citing direct quotations in Leeds Harvard or citing direct quotations in Leeds Numeric styles.

University and school policies

The University referencing policy (PDF) sets out the referencing requirements that all taught students and tutors are expected to follow.

Each school in the University requires students to use a specific style of referencing. Check the referencing style used in your school before you begin.

All your citations and references should match the style you are using exactly, including any punctuation, capitalisation, italics and bold, and you should use the same referencing style throughout your assignment.

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Who is this for?

This resource is designed for students writing dissertations and portfolios, as well as those looking for tips on best practice for their weekly essays. 

Important Links

• English Faculty Guide to Referencing Portfolios and Dissertations Distilled Official Faculty Guidance for Referencing in MHRA. Will cover a lot of what you need.
• MHRA Referencing Guide The official publication for MHRA Referencing. Section 11 will have most information relevant to writing your papers.
• Other Undergraduate Guidance
• MPhil Guidance on writing about texts in English translation and texts not in English
• Cite Them Right A database/eBook that helps demonstrate ways of referencing different items in different citation styles.

Second References

The majority of items listed on this guide give examples of what you might do for the first reference of a source in your writing. The first time you reference a source in your footnote you give all of the bibliographic information for it. In subsequent references to the source you can use a shortened form, as long as it clearly points to the source you are referencing. 

Generally acceptable is some form of:

Author Surname,  Shortened Title of Work , page number.

Introduction to MHRA Referencing

So you’ve chosen to reference in MHRA Style, eh? Splendid choice! The first thing to remember is: 

DON’T PANIC. 

The following guide addresses some of the most common questions and approaches for any material you may want to reference. The point is to clearly convey the information of the item you are referencing so that you both acknowledge the work of others and make it as easy as possible for other academics to find the work themselves.    Most references are laid out in about the same way, answering the following questions:   

Who did it? 

What did they do? 

Is it part of a larger work? 

Who else significantly contributed to it? 

What are the Where/Who/When of its production? 

Is there a specific part to which you are referring? 

What format did you find it in? 

Something to remember is that MHRA is a guide . It can not cover all of the wibbly-wobbly strangeness of every type of resource you may want to use on your epic academic journey. What it does offer is a fairly consistent pattern of how you can accurately describe every reference, but many things will need to be tweaked, adapted, or jumbled around a little to fit the most accurate pattern.

The two most important things to focus on are  consistency and clarity . Reference the same type of material consistently throughout your document and remember that at the end of the day it is someone else who is reading your work, so make things clear for them. If you do both of those then you will be well on your way to being right. 

Presenting your Essays

There is no official formatting convention for undergraduate work to be presented in. As a general rule, it is good to make things as consistent and easy-to-read for your markers as you can. Essays presented using double line-spacing, 12 pt letter sizing, and a clear font like Times New Roman or Arial would follow this idea. 

Contact the Library

Questions? Comments? Concerns?

Contact the Library with your Referencing questions at  [email protected]

Bibliography

A bibliography is a compilation of all of the works which have contributed ideas to or which you have consulted in writing your academic work. Generally speaking the works listed in your bibliography will need to be separated in 3 separate sections:

• Primary Sources -  Novels, poetry, works of art, or anything which you are writing directly about. If you are writing your paper on Jane Austen's  Mansfield Park , then you would put that novel in your primary texts section.   
• Secondary Sources  - Critical works which comment on or are also writing about other works. If in your paper you read  The Cambridge Companion to Jane Austen , then you would put that in the secondary sources section.   
• Works of Reference -  Works which give broad or general information, such as a dictionary or encyclopedia. 

Bibliographic entries are mostly like your full first reference. The main difference is that the order is reversed for the author's name, so that it is surname, then first name. The bibliography is presented in alphabetical order, so this will group all of the works by the same author together by their surname. If there are multiple authors, only the first one is reversed. Bibliography entries also don't contain citation pages, or a full stop at the end of the entry.  For example: Russ, Joanna,  How to suppress women's writing ( Austin: University of Texas, 2018), de Gruyter eBooks Russ, Joanna, ‘Somebody’s Trying to Kill Me and I Think it’s my Husband’,  Journal of Popular Culture , 6.4 (March 1973),  666-691  Russ, Joanna,  To write like a woman: Essays in feminism and science fiction  (Bloomington: Indiana University Press, 1995)  

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Referencing

In academic work, you should always reference another person's ideas or information. This page tells you when, why and how to do so.

On this page

Why reference, when should i reference, referencing styles, summarising, paraphrasing and quoting, the mechanics of referencing.

• It shows that you have consulted and are familiar with the relevant research
• It ensures you have given due credit to the creators of ideas and information
• It enables your readers to consult the works you have referenced
• It helps you avoid plagiarism

You should reference any source of information you draw on in your work. Here are two good rules to follow: 

• If the information comes from outside your own head, then cite the source.
• If in doubt, provide a citation.

Following these rules will ensure that someone reading your work will be able to clearly distinguish between information and ideas that are your own, and information or ideas that you have encountered elsewhere.

Two exceptions: general and common knowledge

Common knowledge consists of information that is very likely to be already known by anybody studying or working in a  particular field . General knowledge consists of information that is found in many sources, and is likely to be remembered by most members of the public, for example  "The Pacific Ocean is the largest of the Earth's five oceans".

There are many different  referencing styles , such as Harvard, APA, MHRA and OSCOLA.

It is important to ensure that you are following the appropriate style for your subject. C heck your course or module handbook, or speak to your tutor, if you are unclear as to which style you should be using.

Once you know which style you should be using, the most important thing is to cite sources accurately and consistently.

Summarising

Paraphrasing.

This is a short restatement of someone else's ideas, using your own language and reflecting the source accurately. You summarise in order to simplify text, eliminate unnecessary detail, make a minor point or convey an overall meaning.

An example:

Some economists have argued that the core purpose of  production is consumer satisfaction ( e.g.  Keynes 1936).

This is a restatement of someone else's ideas in a length and depth that is similar to the original source. It is written in your own language and reflects the source accurately. Use paraphrasing to rearrange for emphasis, simplify the language, clarify meaning or fit in with your own style.

An example: 

John Maynard Keynes claimed that while there is a variable length of time between the production of a commodity and its purchase by a consumer, the ultimate  purpose of all production  is the consumer's satisfaction  (1936: 46).

Use these steps to summarise or paraphrase:

• Read the source several times
• Write an outline in your own words
• Rearrange the outline to suit your needs
• Write the summary (without looking at the original)
• Check the paraphrased version against the original
• Add a citation

This is a word-for-word use of a source's ideas or information. Direct quoting is far more commonly used in the arts, humanities and social sciences than in the natural sciences. Use direct quoting to use effective language that cannot be improved, support a case you're making and distance yourself from a controversial statement.

According to John Maynard Keynes, "[a] ll  production is  for the purpose of ultimately satisfying a consumer. Time usually elapses, however  – and sometimes much time  – between the incurring of costs by the producer [...] and the purchase of the output by the ultimate consumer"  (1936: 46).

Use these steps to quote:

• Copy out the text verbatim
• Enclose it in double quotation marks
• Make the quote a standalone, indented paragraph if it is more than three lines long
• Insert an ellipsis surrounded by square brackets  – […]  – if omitting any words
• Use square brackets to insert any necessary changes to punctuation or spelling

Footnotes, endnotes and in-text citations

Different kinds of sources, bibliographies and reference lists, reference management software.

Depending on the referencing style you use, you will either cite sources in footnotes, in endnotes or in the body of the text itself. Harvard, for example, uses in-text citations, whereas MHRA uses footnotes and Vancouver uses endnotes.

Make sure that you know which referencing style you are meant to use, and follow it accurately and consistently.

Over the course of your degree you will likely cite various types of sources. This includes not only books and journal articles, but perhaps also webpages, reports, laws or even AI-generated content.

Different types of sources are cited differently depending on the referencing style you use. For detailed guidance consult  Cite Them Right or contact your Subject Librarian .

Your written work should not only include citations when you refer to another person's work, but also a bibliography and/or reference list.

A bibliography provides the bibliographic information for all of the sources you consulted while carrying out an assignment, including any that you did not cite. A bibliography is ordered alphabetically by author's surname, and appears at the end of your assignment.

A reference list provides the bibliographic information only for the sources cited in your work, and appears at the end of your document (but before the bibliography, if you have both). It is usually ordered alphabetically by author's surname, except in the Vancouver referencing style when the reference list is ordered numerically according to the sources you have cited.

Many referencing styles, such as Harvard, MHRA and OSCOLA will require a bibliography but not a reference list. Others, such as Vancouver, require both.

Cite Them Right is an excellent source of help with creating bibliographies and reference lists. Alternatively, contact your Subject Librarian .

Many students and staff use reference management software to keep track of their sources and save time when writing.

The most commonly-used referencing software packages are EndNote , Mendeley and Zotero . Regardless of which one you use, it will allow you to store and organise sources, as well as quickly insert citations into a piece of writing and automatically generate a reference list or bibliography.

Cite Them Right

Cite Them Right contains advice on citing many different types of sources, including books, journal articles, and AI such as ChatGPT.

Referencing tutorial

This tutorial from Cite Them Right teaches you how to cite the sources you use, and tests your knowledge of referencing.

Referencing tools

EndNote is the University of Bristol's recommended reference management software.

Mendeley  and Zotero are alternative reference management software packages.

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How to Reference Essays

Last Updated: January 8, 2024 Fact Checked

This article was co-authored by Alexander Peterman, MA . Alexander Peterman is a Private Tutor in Florida. He received his MA in Education from the University of Florida in 2017. There are 14 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 376,221 times.

When you begin writing a research essay, you must take into account the format of your writing and reference pages. There are several reference styles that may be assigned to you, including MLA (Modern Language Association), APA (American Psychological Association), and Chicago. Each one has its own set of rules. There's no need to familiarize yourself with all 3 unless you have to, but you do need to learn at least one if you’re in any field involving academic writing. Here are summaries of each style to help you start your essay on the right track.

Referencing Essays Templates

• You will need a citation directly after every sentence (or group of sentences if you're citing the same source in multiple consecutive sentences) containing information you didn't think of yourself. These include: paraphrases, facts, statistics, quotes, and examples.
• An in-text citation using MLA will simply have the author last name (or title if no author) followed by the page number. No comma between author and page number. For example: (Richards 456) Richards is the author last name, and 456 is the page number.
• If you have an author name (or title, if no author) but no page number, simply use author last name (or title).

• The easiest way to keep track of MLA citations while doing research is to copy and paste copyright information into a word processing document as you go, or to write it down in a notebook.
• Things to include for any source are author(s), date published, publisher, page number, volume and issue number, website, date accessed, anything that appears on the copyright page or indicates how to find it again. [2] X Trustworthy Source Purdue Online Writing Lab Trusted resource for writing and citation guidelines Go to source

• As an example, the format for a standard book citation using MLA style is as follows: Last name of author, First name. Title of Book. City published: Publisher Name, Year published. Source Medium.
• An MLA website citation looks like the following. If there's no author listed, begin citation with the name of the page: Last name, first name. "Page Title." Website Title. Publisher. Date published. Source Medium. Date accessed.
• An MLA scholarly article citation looks like the following: Last name, First name. "Title of Article." Title of Journal . Volume.Issue (Year): page numbers. Source Medium.
• Write the title of the main work (book, magazine, journal, website, etc.) in italics, or underline if you’re writing references by hand.
• Chapter or article titles should be in quotation marks.

• If there is no author listed, as is common on websites, simply skip the author’s name and begin the entry with the title of the work.
• Alphabetize by the first letter that appears in the entry, whether it has an author name or not.

• The formatting should be in Times New Roman font, size 12, with “Works Cited” centered at the top of a new page.
• Each entry should have hanging indent, meaning all lines below the first line are indented by half an inch.
• Make sure there is a period after each section of the citations. A period should always end the citation.

• Place a parenthetical citation at the end of every sentence (or group of sentences if you're using the same source for multiple consecutive sentences) containing information you didn't know before doing research.
• An in-text citation using APA will simply have the author last name (or title if no author) followed by the year it was published. No comma between name and year. For example: (Richards 2005) Richards is the author last name, and 2005 is the year.
• If you have an author name (or title if no author) but no page number, simply use author last name (or title). This is common when citing websites.
• APA document formatting is very important. APA papers are divided up into 4 sections: the title page, the abstract, the main body, and the references page. The citations of a research paper using APA appear in the References section, the last portion of an APA document. [7] X Research source

• To form APA reference page citations, you will need such information as author name(s), date published, website URL, date you accessed the website, title of work, and so on. [8] X Trustworthy Source Purdue Online Writing Lab Trusted resource for writing and citation guidelines Go to source

• For example, the format for an APA reference of a scholarly journal article is as follows: Author last name, First initial. (Year published). Article or chapter title. Journal or book title, Issue number , page number range. [10] X Trustworthy Source Purdue Online Writing Lab Trusted resource for writing and citation guidelines Go to source
• The format for an APA book reference looks like: Last name, First name. (Year.) Title of Book: Capital letter also for subtitle . Location: Publisher.
• The format for an APA website reference looks like: Author, A.A. First name, & Author, B.B. (Date published.) Title of article. In Title of webpage or larger document or book (chapter or section number). Retrieved from URL address

• Capitalize the author's last name and first initial, followed by a period.
• Only capitalize the first word of a journal article title, unless the title contains a proper noun (called sentence case). Titles of books should preserve the published capitalization.
• Capitalize the city of publication, and use correct state abbreviations for states. Also capitalize the name of the publisher and end the reference with a period.
• The title of larger works, whether a book, journal, website, or magazine, is in italics (or underlined if handwriting), as is the issue number that appears right after the title. Titles for shorter works like articles and chapters should not have any indicative punctuation in an APA entry. [12] X Trustworthy Source Purdue Online Writing Lab Trusted resource for writing and citation guidelines Go to source
• A period should end all citations.

Using Chicago Manual of Style

• For Notes and Bibliography, you will use a superscript at the instance of each quote in the text with a corresponding footnote at the end of the page. All footnotes are compiled into endnotes at the end of the work, on the bibliography page. [14] X Trustworthy Source Purdue Online Writing Lab Trusted resource for writing and citation guidelines Go to source
• For Author Date, you will use parenthetical in-text citations that include author last name and year published, using no punctuation between name and year. The full version of each parenthetical citation is listed alphabetically on the references page. For example: (Simon 2011) Simon is the author last name, and 2011 is the year.
• You will need a citation directly after every sentence (or group of sentences if you're using the same source for multiple consecutive sentences) containing information you didn't think of yourself. These include: paraphrases, facts, statistics, quotes, and examples.

• If using a book, write down all pertinent information found on the copyright page, including the name of the publisher and the city and year of publication.
• For other sources, look for this information near the title of the piece you’re looking at. Publication date is often at the bottom of webpages.

• Title your references page “Bibliography” centered at the top of the page. Leave 2 blank lines between this title and the first entry, and one blank line between entries.
• Notes and Bibliography style uses footnotes for page endings and endnotes for chapter endings. The bibliography page will be an alphabetized list of all sources in hanging indent.
• An example format for a book is as follows: Last name, First name. Book Title . City: Publisher, Year.
• An example format for a chapter in a print scholarly journal is as follows: Author last name, first name. "Title of Chapter or Article." Book or journal Title Issue Number (Year): Page number range. (For an online scholarly journal article, tack on the following at the end: Date accessed. URL address.)
• When there is no known author, the entry should begin with the title of the document, whether it's a webpage, chapter, article, and so on.
• When there are multiple authors, the first listed author appears last name, first name, so that the citation is alphabetized by this author's last name. Subsequent authors are listed by first name, like this: Alcott, Louisa May, Charles Dickens, and Elizabeth Gaskell.
• Always end a citation with a period.

• When using Author Date style, title your references page “References” centered at the top of the page. Leave 2 blank lines between this title and the first entry, and 1 blank line between entries.
• Author Date style bibliographies should be organized alphabetically by last name (or by title if no author) in hanging indent.
• An example format for a book is as follows: Last name, first name. Year. Book Title . City Published: Publisher.
• An example format for a chapter in a print scholarly journal is as follows: Author last name, first name. Year. "Title of Chapter or Article." Book or journal title issue number: page numbers. (for an online scholarly journal article tack this onto the end: Date accessed. URL address.)
• An example format for a website is as follows: Name of Website. Year. "Page Title." Date last modified. Date accessed. URL address.

Expert Q&A

• You don't have to write each bibliography or reference entry on your own. You can download citation management software like Endnote [17] X Research source (purchase required on this one), Zotero [18] X Research source (it's free), or use websites like http://www.bibme.org/ and http://www.easybib.com/ . Select the name of your style manual before you begin creating citations. Copy and paste the citation into your bibliography or references list. Thanks Helpful 0 Not Helpful 0
• If you are assigned to write a paper or other written document in one of these styles, you need to purchase the style manual. It will contain nearly every instance not only of source citation, but paper formatting as well as grammar and punctuation that is unique to that style. Thanks Helpful 0 Not Helpful 0

• This article only lists how to cite research for each style manual. Each style has its own instructions for setting up the format of the essay, including heading, spacing, margins, font, and so on. Thanks Helpful 1 Not Helpful 0

You Might Also Like

• ↑ https://owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/mla_in_text_citations_the_basics.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/mla_formatting_and_style_guide.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/mla_works_cited_page_books.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/in_text_citations_author_authors.html
• ↑ https://owl.english.purdue.edu/owl/resource/560/01/
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_electronic_sources.html
• ↑ https://libguides.jcu.edu.au/apa/reference-list
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_author_authors.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_basic_rules.html
• ↑ https://www.chicagomanualofstyle.org/tools_citationguide.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/chicago_manual_17th_edition/cmos_formatting_and_style_guide/chicago_manual_of_style_17th_edition.html
• ↑ http://guides.nyu.edu/c.php?g=276562&p=1844734
• ↑ http://endnote.com
• ↑ https://www.zotero.org

About This Article

To reference an essay using MLA style, add a citation after any information you found through a source, like facts or quotes. When citing the reference, include the author’s name and the page number you pulled the information from in parenthesis, like “(Richards 456).” Once you’ve finished your essay, add a Words Cited page with all of the information you used to research your essay, like books or articles. To create a Works Cited page, list the sources in alphabetical order using the author’s last name, and include additional information, like year published and the medium. For more tips from our Writing reviewer, like how to reference an essay using APA style, read on! Did this summary help you? Yes No

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Scribbr Referencing Generator

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• Introduction
• Finding sources

Evaluating sources

• Integrating sources

Referencing sources

Tools and resources, a quick guide to working with sources.

Working with sources is an important skill that you’ll need throughout your academic career.

It includes knowing how to find relevant sources, assessing their authority and credibility, and understanding how to integrate sources into your work with proper referencing.

This quick guide will help you get started!

Finding relevant sources

Sources commonly used in academic writing include academic journals, scholarly books, websites, newspapers, and encyclopedias. There are three main places to look for such sources:

• Research databases: Databases can be general or subject-specific. To get started, check out this list of databases by academic discipline . Another good starting point is Google Scholar .
• Your institution’s library: Use your library’s database to narrow down your search using keywords to find relevant articles, books, and newspapers matching your topic.
• Other online resources: Consult popular online sources like websites, blogs, or Wikipedia to find background information. Be sure to carefully evaluate the credibility of those online sources.

When using academic databases or search engines, you can use Boolean operators to refine your results.

Generate Harvard, APA, MLA, and Chicago style references in seconds

Get started

In academic writing, your sources should be credible, up to date, and relevant to your research topic. Useful approaches to evaluating sources include the CRAAP test and lateral reading.

CRAAP is an abbreviation that reminds you of a set of questions to ask yourself when evaluating information.

• Currency: Does the source reflect recent research?
• Relevance: Is the source related to your research topic?
• Authority: Is it a respected publication? Is the author an expert in their field?
• Accuracy: Does the source support its arguments and conclusions with evidence?
• Purpose: What is the author’s intention?

Lateral reading

Lateral reading means comparing your source to other sources. This allows you to:

• Verify evidence
• Contextualize information
• Find potential weaknesses

If a source is using methods or drawing conclusions that are incompatible with other research in its field, it may not be reliable.

Integrating sources into your work

Once you have found information that you want to include in your paper, signal phrases can help you to introduce it. Here are a few examples:

Following the signal phrase, you can choose to quote, paraphrase or summarize the source.

• Quoting : This means including the exact words of another source in your paper. The quoted text must be enclosed in quotation marks or (for longer quotes) presented as a block quote . Quote a source when the meaning is difficult to convey in different words or when you want to analyze the language itself.
• Paraphrasing: This means putting another person’s ideas into your own words. It allows you to integrate sources more smoothly into your text, maintaining a consistent voice. It also shows that you have understood the meaning of the source.
• Summarizing : This means giving an overview of the essential points of a source. Summaries should be much shorter than the original text. You should describe the key points in your own words and not quote from the original text.

Whenever you quote, paraphrase, or summarize a source, you must include a citation crediting the original author.

Referencing your sources is important because it:

• Allows you to avoid plagiarism
• Establishes the credentials of your sources
• Backs up your arguments with evidence
• Allows your reader to verify the legitimacy of your conclusions

The most common citation styles in the UK are APA, MLA, Harvard, Vancouver, MHRA, and Oscola. Each citation style has specific rules for formatting citations.

Scribbr’s free Reference Generator can generate perfect references and in-text citations in both APA and MLA styles. More citation styles will be available soon!

Scribbr and partners offer tons of tools and resources to make working with sources easier and faster. Take a look at our top picks:

• Reference Generator: Automatically generate Harvard and APA references .
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• Proofreading services : Have a human editor improve your writing.
• Knowledge Base : Explore hundreds of articles, bite-sized videos, time-saving templates, and handy checklists that guide you through the process of research, writing, and citation.

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• Harvard Referencing Generator

Free Harvard Referencing Generator

Generate accurate Harvard reference lists quickly and for FREE, with MyBib!

🤔 What is a Harvard Referencing Generator?

A Harvard Referencing Generator is a tool that automatically generates formatted academic references in the Harvard style.

It takes in relevant details about a source -- usually critical information like author names, article titles, publish dates, and URLs -- and adds the correct punctuation and formatting required by the Harvard referencing style.

The generated references can be copied into a reference list or bibliography, and then collectively appended to the end of an academic assignment. This is the standard way to give credit to sources used in the main body of an assignment.

👩‍🎓 Who uses a Harvard Referencing Generator?

Harvard is the main referencing style at colleges and universities in the United Kingdom and Australia. It is also very popular in other English-speaking countries such as South Africa, Hong Kong, and New Zealand. University-level students in these countries are most likely to use a Harvard generator to aid them with their undergraduate assignments (and often post-graduate too).

🙌 Why should I use a Harvard Referencing Generator?

A Harvard Referencing Generator solves two problems:

• It provides a way to organise and keep track of the sources referenced in the content of an academic paper.
• It ensures that references are formatted correctly -- inline with the Harvard referencing style -- and it does so considerably faster than writing them out manually.

A well-formatted and broad bibliography can account for up to 20% of the total grade for an undergraduate-level project, and using a generator tool can contribute significantly towards earning them.

⚙️ How do I use MyBib's Harvard Referencing Generator?

Here's how to use our reference generator:

• If citing a book, website, journal, or video: enter the URL or title into the search bar at the top of the page and press the search button.
• Choose the most relevant results from the list of search results.
• Our generator will automatically locate the source details and format them in the correct Harvard format. You can make further changes if required.
• Then either copy the formatted reference directly into your reference list by clicking the 'copy' button, or save it to your MyBib account for later.

MyBib supports the following for Harvard style:

🍏 What other versions of Harvard referencing exist?

There isn't "one true way" to do Harvard referencing, and many universities have their own slightly different guidelines for the style. Our generator can adapt to handle the following list of different Harvard styles:

• Cite Them Right
• Manchester Metropolitan University (MMU)
• University of the West of England (UWE)

Daniel is a qualified librarian, former teacher, and citation expert. He has been contributing to MyBib since 2018.

Writing Better University Essays/Referencing

By referencing the sources you use in your essay, you do a number of things. First of all, you comply with an academic convention. Secondly, you make your essay look more professional. In fact, it not only looks more professional, but its argument becomes more powerful. Thirdly, you allow others to check your sources. This is often only a hypothetical issue, but a look through the list of your references will allow others to judge your argument quickly. Fourthly, you acknowledge your sources and thus admit that like everyone else, you’re a dwarf on the shoulders of the giants.

The essential bits of referencing require you to provide enough information to others so that they can identify the source. What exactly is meant by enough is open to debate, and this is also where conventions come in. Essential is that you do provide references. Ideally, you would do so properly. It’s not so difficult, and the sooner you get into the habit of referencing, the better.

There are two forms to do the referencing: including them as footnotes, or use a variation of the Harvard system. Your institution may have a preference, or even a house style. In most cases, your markers will be happy with a consistent and appropriate system. The Harvard system is also known as author/date, and will be described here in more detail.

• 1 Inside the Text
• 2 At the End
• 3 Problem Cases
• 4 Plagiarism
• 5 Citations and Quotations
• 6 When to Put the References

Inside the Text

Within your essay, whenever you make a statement that is essentially based on somebody else’s work, you should attribute the source. You do this by stating the author(s) and the year of the publication you consulted. Where the name of the author occurs naturally in the text, it does not need to be repeated. The references are usually included at the end of a sentence, or where inappropriate in a place where the text flow is not interrupted too much, such as in front of a comma. This may be necessary, for example, if only the first half of your sentence is based on someone else’s work.

The name of the author is included in brackets, together with the year of publication. Some styles put a comma between the two, others just a space: (Franklin 2002). Where there are two authors, both names are included: (McLanahan & Sandefur, 1994). Some styles prefer the word and , others prefer the ampersand (& symbol). Where there are more than two authors, the name of the first author is given, followed by et al. (which literally means and others ): (Almeder et al. , 2001). Some styles put et al. into italics, others don’t.

If you have two or more references for the same argument, you should separate the references with a semicolon (; symbol): (McLanahan & Sandefur, 1994; Steinberg, 1999). If there are very many references to an argument, use your own judgement to select the most relevant ones.

What should you reference? Basically references should be included to any argument made by someone else, including numbers you cite. However, statements of general nature need not be attributed to anyone. A statement that the sky is blue alone does not require a reference. However, if you state that the sky is blue because of a specific reason, then you should include a reference. If you use the exact words of an author (quotation), you’ll need to give the number of the page where you copy from. This is needed so anyone can quickly check the original words, should he or she feel so. See the separate section on quotes.

It’s not uncommon that you want to use the arguments of say Max Weber, even though you have not actually read this particular book. Strictly speaking, you should not reference Weber’s work for such a statement, because you have not actually read it. Can you really be sure this is what Weber said or meant? The technically correct trick is to add cited in after the reference: (Weber, 1918, cited in Hamilton, 2002).

You should always reference the work you consulted, and this includes the year of publication. Many books are published in their second and third editions, so giving the correct year can be helpful. Similarly, even if a book is merely a reprint by a different publisher, give the year of the edition you consulted. The page numbers may differ. If it’s just a second print of the exact same book, use the original date. Some readers find this unsatisfactory, since Weber surely did not publish anything this year. The convention to circumvent this issue is to give both years: the year of the original publication, together with the one of the work you consulted. Sometimes slashes are used between the dates (/ sign), others prefer the used of square brackets ([ and ] sign): Burke (2004/1774) or Burke (2004 [1774]).

Another small issue occurs where an author published more than one book or article in a single year, and you want to cite more than one of them. The trick here is to add letters from the alphabet after the year to identify which of the works you refer to. Use the letter a for the first of your references, the letter b for the second and so on: (McManus, 1994a) and (McManus, 1994b) are two different works.

To sum it up, inside the text, you give the family name of the author, followed by the year of the publication. Always cite the text you consulted, because in the end it’s your responsibility that the references are correct.

At the end of your essay you should include a list of references. Such a list of references provides more details than just the name of the author and the year of publication. It’s this list that allows identifying the work cited. Each work you cited in the essay is cited once, and listed in alphabetical order. Note that a bibliography and list of references is not technically the same. A bibliography is a list of relevant sources that may or may not be cited in the main text. References are the sources you cited, even if they are rather trivial. Use the heading references for your references.

For books, you put the family name of the author(s) and their initials, followed by the year of publication in brackets, the title in italics, the place of publication, and finally the name of the publisher. If there are editors, give their names instead of the authors’. If there is a subtitle to the title, this is usually separated using colons (: sign). Where there are more than four authors, it’s common to use et al. after the first three, but some styles insist on citing all authors. Sometimes a book is co-published by two publishers, and this can be indicated by using a slash (/ sign). Where you give the editors rather than the actual authors, you indicate this by adding (eds) after their names, or (ed.) if there is only one. The title is capitalized. For example:

Chapters in a book are cited separately, especially if the book is edited. You give the family name of the author and his or her initial, the year, the name of the chapter in single speech marks (‘ and ’ sign; not capitalized), followed by the word in , and the name and year of the editor(s). If you cite only one chapter, you can give the whole reference at the end; otherwise it’s enough to give the name and year of the editor. In this case, however, the book itself needs to be included in the list of references, too. For example:

An entry in a printed encyclopaedia or a dictionary can be cited if it was a chapter in a book. The editors are often given on the front of the reference book. For example:

Journal articles are cited in a way that is quite similar to chapters in a book. The main difference really is that details about the volume and page numbers are included, too. The reference starts with the name and initial of the author, the year in brackets, the title of the article in single speech marks (not capitalized), followed by the name of the journal in italics (capitalized), and further details. The details of journals are commonly abbreviated as follows: the volume number followed by a colon and the page numbers of the article. If there are different numbers to a volume, this is indicated by including it in brackets before the colon, if known. Online journals may not have page numbers. For example:

Pages on the internet should be cited where used. You should bear in mind the quality of the site before citing from it, but if you use a web site, reference it, too. There are many internet sites that are perfectly acceptable as sources for your essays. The reference includes the name of the author and initial, the year in brackets, the title of the document in italics, the word online in square brackets, the place of publication, the publisher, the words available from : followed by the URL, and the date when the document was accessed in brackets. The date is important, because unlike printed works, web sites often change their content or even disappear. Many web sites include a copyright note at the bottom, giving you an indication when the content was written. For example:

Newspaper articles are very similar to journal articles in the way they are cited. The key difference is that rather than the volume, the date is given. The reference therefore includes the name and initial of the author, the year of publication in brackets, the title in single speech marks, the name of the newspaper in italics (capitalized), the date, and finally the page where the article was found. For one page it’s customary to use the abbreviation p. , for articles running over two or more pages, the abbreviation pp. is common. For example:

Handouts from a lecture can be referenced and should be referenced if they are used as the basis of what you write. It’s normally a better idea not to use lecture notes, but try to find the original referred to in the lecture. Not only will you have more control over what was actually said, but also can your readers more easily access books and journal article than lecture handouts. The reference to a lecture handout includes the name and initial of the lecturer, the year in bracket, the title of the handout in single speech marks, the words lecture notes distributed in followed by the name of the course in italics, the word at and the name of your institution, the place, and date of the lecture. For example:

Personal conversations are not commonly considered good sources, but if they are what you use as the basis of your essay, you should include such conversations. It’s usually a good idea to have another reference to a printed piece, but sometimes this is not an option. In terms of giving the reference, personal conversations are very easy: the name of the person you spoke to, the year in brackets, the words conversation with the author and the date of the conversation. For example:

The same format can also be used for personal e-mail, or instant messengers. Once again, bear in mind the credibility of your sources. With e-mail messages it’s customary to include the e-mail address of the sender in brackets after the name, but it’s essential that you obtain consent from the author. The subject line of the e-mail is often included as the title. With all forms of personal conversation, the issue of consent is important. It’s always a very good idea to check with the author first.

Problem Cases

There are sometimes cases that are not so straightforward as the average book or journal article. For everything there is a solution in the academic conventions. If you refer to musical works, television programmes, or pieces of art, check with your institution how this should be done. If everything else fails, remember the function of referencing, and provide a reasonable amount of information for others to chase the work. Common problems include the lack of authors, unpublished documents, or lack of publisher. Where there is no author, often there is an organization. Put the name of the organization. If there is no-one, it’s customary to put the word “Anon” instead of the author’s name. For example:

Sometimes the year of a document is not known. Where you have a rough idea, you can put a c before the date, such as in (c.1999). Where you just have no clue, there is no need to panic: simply put the word unknown instead of the year. Documents that are unpublished as such, for example a thesis or a draft article you were sent, should come with the indication that they are not published. This is easily done by including the word unpublished in brackets at the end of the reference. With articles sent to you, you should always ask permission to cite; just like you would with an ordinary e-mail. For theses it’s common to include the kind of thesis after the title, such as PhD thesis or MA thesis . Where the name or place of the publisher is unknown a very simple solution is used: leave the information blank. This is particularly an issue with internet sites. Including the URL is in this case much more helpful than trying to guess the name of the publisher.

Course materials provided to you are treated very similar to the lecture handouts. Give the name of the author, the year in brackets, the course code if there is one, the course title in italics (capitalized), the kind of material and its title in single speech marks, place of publication, and publisher. For example:

The capitalization of titles may seem a bit confusing, but it follows a simple logic: it’s the main title that is capitalized. In the case of a book, the main title is that of the book. In the case of journal articles, on the other hand, the main title is thought to be that of the journal itself. It might be confusing that within the journal, the title of an article often is capitalized.

Capitalization is not very hard to achieve. Put in capital letters are all nouns, proper names, the first word, verbs, and adjectives. This is in fact almost everything. Not put in capital letters are words like and , in , or , or with . Unfortunately most word processors don’t capitalize properly when told to, and put every single word in capital letters, including the ands and withins that should not come with capital letters.

Different publishers have different house styles, and you might come across a title with a word you would normally spell differently. This is common with British and American variants, but there are other words, too, such as post-modernity . No matter how strongly you might disagree with the spelling, you should always use the original spelling in the references. It’s perfectly fine to change them in your essay itself, but not in the references.

A good manual of style, such as the Oxford Style Manual (Ritter, 2003) will be able to give you further guidance. Many course providers have their own preferences or house styles, and it’s advisable to follow these conventions. Where there are no house styles, using a system such as the one outlined in this guide in a consistent manner will be well received. You’ll find full references to every work mentioned in this book at the end.

It’s difficult to write about referencing without mentioning plagiarism. Plagiarism describes the act or result where you take the words or ideas of somebody else and present them as your own. Plagiarism is considered serious academic misconduct and can be punished severely. Most importantly, however, your reputation is on the line.

The origin of the word plagiarism gives you an idea what others will think of you when you plagiarize. The word goes back to the Latin plagiārius , a thief and kidnapper—in particular a child snatcher and somebody abducting slaves. The modern use in academia brands you a literary thief (OED, 2005).

There are a number of reasons why plagiarism occurs. The worst case is deliberate plagiarism (for whatever reason). Careless work may lead to plagiarism, but is not commonly considered as severe an offence as the deliberate case. Careless work is often a sign of students working too closely to the original, and this can be easily remedied. Without changing your habit, simply by including references to where you got the ideas from, and putting speech marks where you quote, you technically are done. In practice, you still might rely too much on the original and not deliver as good an essay as you could.

Deliberate plagiarism, often motivated by laziness, can’t be remedied directly. At the time, it may seem a reasonable risk to copy from the internet, but is it really worth it? Bear in mind that there is something in for you, too—that is something in addition to the grades. The more you write, the easier it gets.

If you work too closely to the original, there is a simple solution: don’t write the essay with the books in front of you. By so doing, there is very little danger that you copy word by word. In a way, you force yourself to make the material your own: and that is a good thing—it makes a better argument, your essay will be more original, and not least, you’ll also get better grades. Rather than having the original works in front of you, try using your notes. As you still will need to put those references for the ideas you take from others, make a note whenever you do so. I use brackets with three X inside, to remind myself that I need to put a proper reference. Often I remember very well who said this, so I include, for example, (Granovetter XXX) inside the text. When checking the essay, it’s hard not to notice the triple X; and there is always the search facility in the word processor. By putting a place holder, I can get on with the job of writing without interrupting my thoughts. Equally important, I leave some traces indicating to myself that there is some more work to be done: finding the proper reference, for example.

If you think plagiarism is hard to detect by your marker, think again. There are a great number of signs that give plagiarized work away. Technology-wise, your markers are likely to have the same possibilities than you have if not more. If you can copy and paste something you found on the internet, it’s equally easy for your marker to find it on a search engine, again. It would, of course, be possible, to change plagiarized work to the extent that the deed is no longer easy to spot. Usually, however, this is just as much work as writing the essay yourself.

Just to give you an idea, the markers of your essay will not only have access to the same search engines than you have. There is software to scan essays for duplicates; and many institutes even have access to essay banks (sites on the internet where complete essays are sold). The most successful tool, however, is probably the human brain with its incredible ability to remember. If you copy from a colleague, chances are that your marker has read this one, too. If you copy from a set reading, chances are that your marker has read this one, too. Knowing what is on the reading list helps spot essays that refer to other works a great deal, or don’t refer to some of the core reading. Your marker can estimate how many readings you had time to read, or whether you’re likely to have read a great number of papers on the Belgian perspective of whatever issues is set in the question. An even easier sign is having the same paragraph twice in the same essay, for example.

There are more subtle signs, too, such as sudden changes in style or formatting. Many people are unaware of how idiosyncratic one’s writing style is. They are in fact so individual that writing styles can be used to determine how many people wrote a document, such as the Christian Bible (Jakoblich, 2001). Writing style includes the tenses we use, the level of formality, our own choice of words, the kinds of metaphors we put, whether we use American or British English, choices over punctuation, the length of sentences, or the use of specialist terms. Typographic signs include font size, choices of where to break paragraphs, spaces in between lines, and things like proper m- and n-dashes (when copying from electronic articles).

The presence or lack of references is often an easy sign: for example, where there are many references inside the text, but few at the end, or where the citation style changes within a single essay. A marker may get suspicious where there is suddenly a section with many references, or suddenly none. Sometimes, students even include hyperlinks in references when copying from electronic journals; and have them automatically underlined by the word processor.

Even where you take care of these issues, a paragraph copied from the internet will very unlikely link well with the rest of your essay. The style may be inappropriate, or just different. Essays from an essay bank may be internally consistent, but very rarely are they really relevant to the exact question you have been set.

In summary, you can avoid plagiarism easily. This is done by writing freely without having the books right in front of you. Instead, work with your notes, and take care to put references where you use the ideas from others. Don’t use the internet to copy from, no matter how tempting it is. It will hardly ever be worth it.

Citations and Quotations

There is an important difference between citations and quotations. Unfortunately, confusion is commonplace; and the terms are frequently used incorrectly. Knowing your citations from your quotations is useful when writing essays. It’s essential, in fact, if you want to reference properly.

Citations are about ideas you take from others. Quotations are about the exact words used by others. This is really the whole distinction. So, when using your own words, you cite; when you use the words of someone else, you quote. “Why can’t a man be more like a woman?” (Blankenhorn, 1995, p.117) is a quotation, because I use the exact same words Blankenhorn did. However, when stating that families in the US are increasingly defined by the absence of a father (Blankenhorn, 1995), I only use the idea, not the exact words.

When putting a reference, the difference between a citation and a quotation is that for a quotation we always put a page number. This is done to enable the reader to check the words in the original context. In the list of references at the end of the text, there is no difference.

Short quotations are included in the text, and enclosed by speech marks. Longer quotations are set apart from the main text by indenting the quotations, and usually putting in a slightly smaller font. Longer means about 3 to 4 lines or more. For example:

When quoting someone else, you should take great care to copy the words exactly. Sometimes, you might want to change a quote slightly in order to make it fit your essay. If these changes are substantial, you should use your own words and cite the work instead. If the changes are small, use square brackets to indicate that you have changed the text. For example, you might quote Rawls (1999, p.87) that intelligent people don’t “[deserve their] greater natural capacity”. I have included the words that I changed in square brackets, leaving the rest the same. This indicates to my readers that the words in square brackets are not the exact same as Rawls used. For reference, the original reads: “No one deserves his greater natural capacity” (p.87). I made the changes, because I wrote about intelligent people, and Rawls was talking in more general terms.

Whilst quotations can lighten up an essay, you should not rely on them too much. Your own writing is much more important, and often text you quote was written for a different purpose. The consequence is that the quotations may be relevant in content (what is being said), but in terms of style don’t fit well with what you wrote. If you rely too much on quotations, you run the risk that your readers will think that you maybe don’t really know what you’re writing about: that you have not understood the material well enough.

When to Put the References

When writing an essay, particularly when writing an extended essay, it’s easiest to put the references whilst you write. This is the case, because you still know where you got the idea from. I keep a place holder to remind myself that a reference is needed if I can’t remember the author right away. Often, I will know at least some of it, and write this down. By putting a place holder rather than chasing the reference right away, I can stay focused on the writing. However, I also indicate that the essay is not completed. Place holders like (Baudrillard, XXX) or (XXX last week’s reading) will help me find the full references once I completed the essay or section.

References are needed whenever you write an academic piece of writing. Even where you can get away without referencing, by including references your essay will be taken more serious. It’s a good habit to put references all the time, so when you really need to—such as in your thesis—you’ll not struggle, or spend days trying to find out how to reference a chapter in a book.

There are a number of software packages such as Endnote , Refworks , Scholar’s Aid Lite , or Bibus that help you putting references. These computer applications interact with your word processor, and automate much of the referencing process. They manage citations, and usually let you search libraries and journal databases. Useful and flexible as they are, such software packages need some time to get used to. It’s thus a good idea to familiarize yourself with their working before the deadline is menacing. For example, make sure you know how to put page numbers for quotations.

Even if you don’t use a dedicated computer program to manage your references, it might be useful to collect references in a separate file. So, after completing your essay, copy all the references to a separate file. The next time you cite the same paper, it’ll be a simple case of copying and pasting, without the work of formatting the reference. Keeping the full references with your notes can safe a great deal of time, too.

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How to cite ChatGPT

Use discount code STYLEBLOG15 for 15% off APA Style print products with free shipping in the United States.

We, the APA Style team, are not robots. We can all pass a CAPTCHA test , and we know our roles in a Turing test . And, like so many nonrobot human beings this year, we’ve spent a fair amount of time reading, learning, and thinking about issues related to large language models, artificial intelligence (AI), AI-generated text, and specifically ChatGPT . We’ve also been gathering opinions and feedback about the use and citation of ChatGPT. Thank you to everyone who has contributed and shared ideas, opinions, research, and feedback.

In this post, I discuss situations where students and researchers use ChatGPT to create text and to facilitate their research, not to write the full text of their paper or manuscript. We know instructors have differing opinions about how or even whether students should use ChatGPT, and we’ll be continuing to collect feedback about instructor and student questions. As always, defer to instructor guidelines when writing student papers. For more about guidelines and policies about student and author use of ChatGPT, see the last section of this post.

Quoting or reproducing the text created by ChatGPT in your paper

If you’ve used ChatGPT or other AI tools in your research, describe how you used the tool in your Method section or in a comparable section of your paper. For literature reviews or other types of essays or response or reaction papers, you might describe how you used the tool in your introduction. In your text, provide the prompt you used and then any portion of the relevant text that was generated in response.

Unfortunately, the results of a ChatGPT “chat” are not retrievable by other readers, and although nonretrievable data or quotations in APA Style papers are usually cited as personal communications , with ChatGPT-generated text there is no person communicating. Quoting ChatGPT’s text from a chat session is therefore more like sharing an algorithm’s output; thus, credit the author of the algorithm with a reference list entry and the corresponding in-text citation.

When prompted with “Is the left brain right brain divide real or a metaphor?” the ChatGPT-generated text indicated that although the two brain hemispheres are somewhat specialized, “the notation that people can be characterized as ‘left-brained’ or ‘right-brained’ is considered to be an oversimplification and a popular myth” (OpenAI, 2023).

OpenAI. (2023). ChatGPT (Mar 14 version) [Large language model]. https://chat.openai.com/chat

You may also put the full text of long responses from ChatGPT in an appendix of your paper or in online supplemental materials, so readers have access to the exact text that was generated. It is particularly important to document the exact text created because ChatGPT will generate a unique response in each chat session, even if given the same prompt. If you create appendices or supplemental materials, remember that each should be called out at least once in the body of your APA Style paper.

When given a follow-up prompt of “What is a more accurate representation?” the ChatGPT-generated text indicated that “different brain regions work together to support various cognitive processes” and “the functional specialization of different regions can change in response to experience and environmental factors” (OpenAI, 2023; see Appendix A for the full transcript).

Creating a reference to ChatGPT or other AI models and software

The in-text citations and references above are adapted from the reference template for software in Section 10.10 of the Publication Manual (American Psychological Association, 2020, Chapter 10). Although here we focus on ChatGPT, because these guidelines are based on the software template, they can be adapted to note the use of other large language models (e.g., Bard), algorithms, and similar software.

The reference and in-text citations for ChatGPT are formatted as follows:

• Parenthetical citation: (OpenAI, 2023)
• Narrative citation: OpenAI (2023)

Let’s break that reference down and look at the four elements (author, date, title, and source):

Author: The author of the model is OpenAI.

Date: The date is the year of the version you used. Following the template in Section 10.10, you need to include only the year, not the exact date. The version number provides the specific date information a reader might need.

Title: The name of the model is “ChatGPT,” so that serves as the title and is italicized in your reference, as shown in the template. Although OpenAI labels unique iterations (i.e., ChatGPT-3, ChatGPT-4), they are using “ChatGPT” as the general name of the model, with updates identified with version numbers.

The version number is included after the title in parentheses. The format for the version number in ChatGPT references includes the date because that is how OpenAI is labeling the versions. Different large language models or software might use different version numbering; use the version number in the format the author or publisher provides, which may be a numbering system (e.g., Version 2.0) or other methods.

Bracketed text is used in references for additional descriptions when they are needed to help a reader understand what’s being cited. References for a number of common sources, such as journal articles and books, do not include bracketed descriptions, but things outside of the typical peer-reviewed system often do. In the case of a reference for ChatGPT, provide the descriptor “Large language model” in square brackets. OpenAI describes ChatGPT-4 as a “large multimodal model,” so that description may be provided instead if you are using ChatGPT-4. Later versions and software or models from other companies may need different descriptions, based on how the publishers describe the model. The goal of the bracketed text is to briefly describe the kind of model to your reader.

Source: When the publisher name and the author name are the same, do not repeat the publisher name in the source element of the reference, and move directly to the URL. This is the case for ChatGPT. The URL for ChatGPT is https://chat.openai.com/chat . For other models or products for which you may create a reference, use the URL that links as directly as possible to the source (i.e., the page where you can access the model, not the publisher’s homepage).

Other questions about citing ChatGPT

You may have noticed the confidence with which ChatGPT described the ideas of brain lateralization and how the brain operates, without citing any sources. I asked for a list of sources to support those claims and ChatGPT provided five references—four of which I was able to find online. The fifth does not seem to be a real article; the digital object identifier given for that reference belongs to a different article, and I was not able to find any article with the authors, date, title, and source details that ChatGPT provided. Authors using ChatGPT or similar AI tools for research should consider making this scrutiny of the primary sources a standard process. If the sources are real, accurate, and relevant, it may be better to read those original sources to learn from that research and paraphrase or quote from those articles, as applicable, than to use the model’s interpretation of them.

We’ve also received a number of other questions about ChatGPT. Should students be allowed to use it? What guidelines should instructors create for students using AI? Does using AI-generated text constitute plagiarism? Should authors who use ChatGPT credit ChatGPT or OpenAI in their byline? What are the copyright implications ?

On these questions, researchers, editors, instructors, and others are actively debating and creating parameters and guidelines. Many of you have sent us feedback, and we encourage you to continue to do so in the comments below. We will also study the policies and procedures being established by instructors, publishers, and academic institutions, with a goal of creating guidelines that reflect the many real-world applications of AI-generated text.

For questions about manuscript byline credit, plagiarism, and related ChatGPT and AI topics, the APA Style team is seeking the recommendations of APA Journals editors. APA Style guidelines based on those recommendations will be posted on this blog and on the APA Style site later this year.

Update: APA Journals has published policies on the use of generative AI in scholarly materials .

We, the APA Style team humans, appreciate your patience as we navigate these unique challenges and new ways of thinking about how authors, researchers, and students learn, write, and work with new technologies.

American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed.). https://doi.org/10.1037/0000165-000

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