American Psychological Association's APA Style 7th Edition is widely used by students and researchers in the social and behavioral sciences.
For more information, see the Zotero Research Guide.
Arrange references alphabetically by the author's last name.
Double space the entire reference list.
Begin each entry on the left margin and indent a 1/2 inch from the second line onwards.
See APA Publication Manual 7th Edition, pages 39-40.