MLA

Prattle the Political Apotecary [Graphic]. Pubd. by H. Humphrey, No. 18 New Bond Street, 0AD. https://collections.library.yale.edu/catalog/10723300.

APA, 6th edition

Prattle the political apotecary [graphic]. (0 C.E.). [Satires (Visual works) England 1779, Etchings England London 1779]. Pubd. by H. Humphrey, No. 18 New Bond Street. https://collections.library.yale.edu/catalog/10723300.