How to Convert Between Citation Styles: APA, MLA, Chicago, and More

Why You'd Need to Convert

The most common reasons to convert a paper's citations from one style to another: a professor changes the required style after you've drafted; you're adapting a paper for submission to a journal with different requirements; or you're repurposing research from a class that used one style for a new project requiring another.

What Actually Changes When You Convert

• In-text citation format: author-date parenthetical (APA, Harvard) vs. author-page (MLA) vs. numeric superscript or bracket (Vancouver, IEEE) vs. footnote (Chicago NB)
• Reference list name and ordering: "References" (APA, Harvard) vs. "Works Cited" (MLA) vs. "Bibliography" (Chicago) vs. numbered list in citation order (Vancouver, IEEE)
• Author name format: initials only (APA: Smith, J.) vs. full first name (MLA: Smith, John)
• Title capitalization: sentence case for articles (APA) vs. Title Case (MLA, Chicago)
• Punctuation between elements: periods, commas, and parentheses placement all differ
• Date placement: immediately after author (APA, Harvard) vs. near the end of the entry (MLA)

A Single Source, Converted Across Three Styles

Notice the data is identical in every version. Only the order, punctuation, and capitalization change.

Converting In-Text Citations

This is the step most students forget. Converting only the reference list and leaving the in-text citations in the old style's format. Both must change together; see our guides on types of citation systems and parenthetical vs. narrative citations for the in-text rules of each system.

Practical Conversion Tips

1. Keep a master list of full source details (author, title, container, date, DOI/URL) separate from any one style's formatting. This becomes your reusable "raw data" for any future conversion
2. Convert the reference list first, then go through the text converting each in-text citation to match
3. Re-check the new style's specific et al., capitalization, and page-number rules. Don't assume they match the original style
4. Re-alphabetize or re-sequence the reference list according to the new style's ordering rule
5. Use a citation generator that supports both styles to avoid re-doing the formatting logic by hand

Frequently Asked Questions

Does the underlying source information ever need to change when converting?

No. Author, title, publication date, and publisher information stay identical. Only the formatting, ordering, and punctuation around that information changes.

Is converting a whole paper's citations time-consuming to do manually?

It can be, especially for longer papers with many sources, since both the reference list and every in-text citation need updating. A citation generator that stores your source data once and re-outputs it in any style removes nearly all of that manual work.

Can I convert directly from a Word document?

If your sources were entered into Word's built-in citation manager, switching the style dropdown will reformat both in-text citations and the reference list automatically, though it's worth spot-checking the output against the style's actual rules, since built-in tools occasionally miss edge cases.