MLA

Launce and His Dog Crab [Graphic]. Pubd. May 22, 1791, by W. Holland, No. 50 Oxford Street, 0AD. https://collections.library.yale.edu/catalog/10732587.

APA, 6th edition

Launce and his dog Crab [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1791, Etchings England London 1791, Publishers' advertisements .]. Pubd. May 22, 1791, by W. Holland, No. 50 Oxford Street. https://collections.library.yale.edu/catalog/10732587.