Main Library Reference Z 253 .U69 2017, 17th ed.
Provides information on manuscript preparation, punctuation, spelling, quotations, captions, tables, abbreviations, references, bibliographies, notes, and indexes, with sections on journals and electronic media. Frequently used as a guide for citing sources in the humanities.
https://www.apa.org/about/apa/equity-diversity-inclusion/language-guidelines
This is the second edition of the Guide, developed by the American Psychological Association (APA). According to the publisher, "This go-to resource aims to provide guidance on inclusive and affirming language in writing and conversation. The second edition includes expanded definitions and revised terminology based on feedback we received from the public, the latest psychological science, and constructive input from subject-matter experts."
Publication Manual of the American Psychological Association: The Official Guide to APA Style, 7th ed.
Main Library Reference BF 76.7 .P83 2020
"In addition to providing clear guidance on grammar, the mechanics of writing, ...offers an authoritative and easy-to-use reference and citation system and comprehensive coverage of the treatment of numbers, metrication, statistical and mathematical data, tables, and figures for use in writing, reports, or presentations" (publisher's description). Also available is a condensed online version from the American Psychological Association at
APA Style.
https://owl.english.purdue.edu/owl/
The Online Writing Lab (OWL) at Purdue University hosts a website that provides sample citations for APA, MLA, and Chicago styles.