AAA Style uses The Chicago Manual of Style 17th Edition, Author-Date System.
In-text citations are noted with the author/creator and date in parentheses (Author year), and every source cited in-text is also listed in the reference list.
The Chicago Manual of Style Online 17th edition provides searchable recommendations on editorial/ citation style and publishing practices.
The Chicago Manual of Style by 
A Manual for Writers of Research Papers, Theses, and Dissertations by