MLA

The Prodigal Son [Graphic]. Published Novr. 12th, 1785, by S.W. Fores at the Caracature [sic] Warehouse, No. 3 Piccadilly, 0AD. https://collections.library.yale.edu/catalog/10728036.

APA, 6th edition

The prodigal son [graphic]. (0 C.E.). [Satires (Visual works) England 1785, Etchings England London 1785]. Published Novr. 12th, 1785, by S.W. Fores at the Caracature [sic] Warehouse, No. 3 Piccadilly. https://collections.library.yale.edu/catalog/10728036.