APA 7th Edition Style Guide

APA defers to Bluebook style for legal materials.

•      Cases, and Statutes,deviate from APA: Who, When, What, Where
•      Legal aka Bluebook Style: Title, source, and date (What, Where, When) 

The Bluebook style is not used to cite legal periodical articles or books. Use the regular APA style.

Source: https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/apa_legal%20references%20.html

Congress.gov offers a citation tool that provides support for several citation formats. The supported citation formats include the Bluebook, the American Psychological Association (APA), the Modern Language Association (MLA), and the Chicago Manual of Style (CMOS).