Covers the basics of Chicago style without the depth of the full Chicago Manual of Style

Chicago: University of Chicago Press, 2010.
Chapter 14.2 explains the notes and bibliography system. Chapter 14.19 and following sections provide guidance on formatting footnotes and bibliography entries for books, articles, online resources, and other sources.

Format of Chicago Style research papers, in-text citations, endnotes/footnotes, and the Works Cited page.

Concordia University's online guide

(Bridgewater State University) Based on the 8th edition (2013) of Turabian’s A Manual for Writers.

2-page guide to basics of ASA style

American Sociological Association style guide from Purdue's Online Writing Lab (OWL)

American Political Science Association style guide (pdf)

Cornell University; Bluebook cross-references

Indiana University, Bloomington, Libraries guide [updated guide coming soon]

guidance from APA (7th edition)

Simple Text Query finds persistent links for your reference list or bibliography