MLA

The Parisian Courtezan The Prudent Black Legs. [Graphic]. Printed for A. Hamilton Junr., Fleet Street as the act directs, 0AD. https://collections.library.yale.edu/catalog/10728354.

APA, 6th edition

The Parisian courtezan The prudent black legs. [graphic]. (0 C.E.). [Portrait prints, Periodical illustrations, Stipple engravings England London 1787]. Printed for A. Hamilton Junr., Fleet Street as the act directs. https://collections.library.yale.edu/catalog/10728354.