APA, IEEE, MLA, or Vancouver? A Field Guide to Choosing the Right Citation Style

Citation style isn't cosmetic. Journals and conferences enforce it because their production pipelines — and their readers — expect a specific, consistent format. Submit an IEEE-formatted reference list to a journal expecting Vancouver, and you'll get a formatting request back before anyone even reads your abstract.

Quick reference by field

• APA 7th — psychology, education, and most social sciences. Author-date in-text citations, e.g. (Smith, 2024).
• IEEE — electrical engineering, computer science, most IEEE conferences and journals. Numbered citations in brackets, e.g. [3], matched to a numbered reference list in order of appearance.
• MLA 9th — humanities and literature. Author-page in-text citations.
• Vancouver — biomedical and clinical journals. Numbered citations, references listed in citation order — similar in spirit to IEEE but with different formatting rules for authors and journal abbreviations.
• AMA 11th — medical journals specifically, a close cousin of Vancouver with its own formatting quirks.
• Chicago 17th (Notes-Bibliography) — history and some humanities, footnote-based citations.
• Harvard — common across UK and Australian institutions, author-date style similar to APA but with its own punctuation rules.
• ACS — chemistry journals (American Chemical Society).
• CSE (Citation-Sequence, Citation-Name, or Name-Year) — life sciences; note there are three distinct CSE variants and picking the wrong one is a common mistake.
• OSCOLA / Bluebook / Oxford Humanities — legal and humanities-specific styles with their own footnote and citation conventions.
• ACM (Manuscript or Production/Two-Column) — computer science conferences and journals under the ACM umbrella.
• Springer / Springer Nature — varies by journal; Springer's LNCS series and Springer Nature's sn-jnl format each have their own reference conventions.

The mistake that causes the most rework

The single most common issue isn't picking the wrong style outright — it's picking the right family but the wrong variant. CSE has three genuinely different citation-ordering conventions. Vancouver and AMA look similar at a glance but diverge on author formatting. Guessing "close enough" usually means a second pass later.

Check the actual target before you format anything

Always check the specific journal or conference's author guidelines page — style requirements do vary within the same broad field, and some journals maintain house variants of a standard style.

Once you know the style, Stemdoc's Advanced mode supports all 18 styles above and applies them consistently across your entire reference list from a single BibTeX file — no manually reformatting fifty entries by hand when a journal asks you to switch styles.