Formatting a reference list and citations: a practical guide

The text of an essay or an article is done, and then the last job turns out to be the slowest: the reference list. Every source needs the right order of authors, years, titles and pages, with commas, italics and brackets in exactly the right places. Mistakes here cost marks and delay publication, even when the paper itself is strong. Here is how to get it right.

Find out which style you need

Your university, school or journal decides the style, and it is usually written in the guidelines. The most common ones:

• APA: author and year in the text, for example (Author, 2024). Common in psychology, education and business.
• MLA: author and page in the text. Common in literature and languages.
• Chicago: either footnotes or author and date. Common in history and the humanities.
• Harvard: author and year, similar to APA with small differences.
• IEEE: numbers in square brackets. Common in engineering and computing.

Check the edition too, such as APA 7 or MLA 9: rules change between editions. If your institution has its own rules, they come first.

Collect complete data for every source

A source can only be formatted correctly if its data is complete. Before you start, check that you have:

• Books: authors, year, title, edition, publisher.
• Journal articles: authors, year, article title, journal name, volume, issue, pages and the DOI.
• Websites: author or organization, date of publication, page title, address and the date you accessed it.
• Chapters in edited books: both the chapter and the book details, including editors.

The year, the pages and the DOI are the details most often missing. Write them down while you read; finding them later takes much longer.

In-text citations and the list must match

Every source cited in the text must appear in the list, and every source in the list must be cited somewhere in the text. Common problems:

• A different year in the text and in the list.
• A spelling difference in an author's name.
• Sources you dropped from the paper but left in the list.

Go through the text once, citation by citation, and tick each one off against the list.

Order and small details

• Sorting: APA, MLA and Harvard sort alphabetically by author; IEEE numbers sources in the order they appear.
• Italics: usually the book or journal title, not the article title.
• Several works by one author: ordered by year, with letters for the same year (2023a, 2023b).
• Hanging indent for each entry in most author-date styles.

Keep one working list

Put all sources in one document as you go, even roughly. Formatting a list of 15 sources at the end is a short job; reconstructing 50 sources from memory is not.

In short

Know the style and its edition, collect full data for each source, keep the text and the list in step and sort the list the way the style requires. If you would rather have it done for you, order citation formatting: you send your sources and name the style, and get a formatted, sorted reference list with matching in-text citations or footnotes and a list of anything missing for you to add. Payment is released only after you approve the work.