APA (American Psychological Association) Style is the citation style most commonly used in Commerce. Copies of the Publication Manual of the American Psychological Association (the APA style guide), 6th ed., are available in the Library Reference collection at BF 76.7 .P83 2010. (7th edition, 2019 to come.)
APA Style and Grammar Guidelines. This section of the official APA website has instructions and examples on formatting a paper, and on how to do in-text and reference list citations. (Based on the new 2019 7th edition.) Search the website if you don't find the answers you need.
The following guides also provide general guidelines and examples: