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