The ACS Style Guide: Effective Communication of Scientific Information (2020) by 
AMA Manual of Style: A Guide for Authors and Editors, 11th ed. (2019) by 
Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers, 2nd ed. by American Sociologcical Association Style Guide, 5th ed. (2014) by 
Scientific Style and Format: : The CSE Manual for Authors, Editors, and Publishers, 8th ed. (2014) by 
The Bluebook: A Uniform System of Citation, 21st ed.
The Bluebook is the definitive style guide for legal citation in the United States.