Guide library12 guides
Field-Specific
Citation guides for individual disciplines, from psychology, history, and literature to medicine, engineering, law, and nursing.
Every guide is free, written for students and researchers, and dated so you can see when it was last checked.

How to Cite Psychology Sources in APA 7
Cite psychology evidence in APA 7: empirical articles, every official DSM edition plus ICD-11, tests, PsyArXiv preprints, APA Dictionary entries, the 2017 Ethics Code, archived data, retracted papers, and Psychological Science AI disclosures. Official examples, not textbook summaries.
How to Cite Sources in History: Chicago Notes-Bibliography
CMOS 18 leftover rewrite for history papers: the live AHR 5,000-word footnote cap, Turabian 10 on 24 November 2026, Lincoln Series 2 General Correspondence, Douglass's 39-page 1852 pamphlet, the AAPB Parks 35:35 record, and the CMOS Q&A that ibid. remains an option.
How to Cite Literature in MLA 9 (and Chicago When Assigned)
Cite the edition a literature student actually read in MLA 9: novels, poems, plays, translations, critical editions, e-books, and criticism, plus CMOS 18 notes. leftover-eighth-edition-banner, leftover-Turabian-10-December-2026, leftover-PMLA-AI-cannot-be-authors, leftover-June-2025-digital-or-print.
How to Cite Medical Sources in Vancouver and AMA
Cite journal articles, RCTs, guidelines, Cochrane reviews, preprints, trial registrations, DailyMed labels, datasets, and retracted papers in AMA 11 and Vancouver (ICMJE January 2026 / NLM), using official samples rather than invented papers.
How to Cite Engineering Sources in IEEE Style
Cite IEEE journals, conference papers, standards, patents, reports, software, theses, and datasheets from the live V 3.28.2025 Reference Style Guide. Notes the paginated Vatta 2019 letter, IEEE Std 308-2020 versus the 1969 house example, and the Wilkinson illustration that is not US 3,624,125.
How to Cite Biology Sources in CSE Style
Write CSE Manual 9th-edition references for biology journals, books, GenBank accession.version records, BLAST and ImageJ methods, preprints, and lab reports. Official Chapter 29 examples, plus leftover CDC, Harrison, and BLAST+ warnings.
How to Cite Chemistry Sources in ACS Style
Write ACS references for journals, ASAP articles, patents, SDS files, CAS and PubChem records, spectra, datasets, and theses from the open ACS Style Quick Guide (§4.3.3, stamped 8 April 2025) and the 5 May 2026 Axial book-citation update. Official examples, not invented catalysts.
How to Cite Legal Sources in Bluebook (Cases, Statutes, and Briefs)
Cite U.S. cases, statutes, constitutions, regulations, and session laws in Bluebook 22nd edition. Live Georgetown, UW, Harvard, USC, CWRU, and Library of Congress examples, opened 16 September 2026.
How to Cite Business Sources in Harvard and APA: Cases, 10-Ks, and Reports
Cite HBS cases, SEC Form 10-Ks, Harvard Business Review essays, McKinsey reports, and NBER working papers in Cite Them Right Harvard and APA 7. Leftover McKinsey 2025-title-on-live-URL, OU 8 October 2025 CTR 13 note, SNHU Kotter 491-009, and Apple FY2026-not-yet-filed facts.
How to Cite Education Sources in APA 7
Cite education journal articles, ERIC ED documents, the NCES Condition of Education 2026 report, WWC practice guides, and CAEP standards in APA 7. leftover-ERIC-Journal-List-202506, leftover-WWC-staff-in-suggested-citation, leftover-NCES-Retrieved-from-resource-library.
Nursing Citation Guide: APA 7 for Clinical Sources
Cite nursing sources in APA 7: Journal of Nursing Education house rules, NICE NG136 (February 2026), the 2026 AACN Essentials, the 2025 ANA Code, UpToDate, Cochrane reviews, and DNP projects, using official examples.
How to Cite Social Work Sources in APA 7
Cite social work journals, the 2021 NASW Code of Ethics, CSWE 2022 EPAS, the 2025 DSW standards, the October 2026 2029 EPAS draft, Child Maltreatment 2024, and the 2026 KIDS COUNT Data Book in APA 7. leftover-JSW-adheres-to-versus-follows, leftover-CSWE-2029-EPAS-draft-omitted, leftover-two-versus-three-drafts.