MLA

John Wilkes Esqr. Making His Defence before Brittannia and Liberty [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10713203.

APA, 6th edition

John Wilkes Esqr. making his defence before Brittannia and Liberty [graphic]. (0 C.E.). [Caricatures and cartoons, Trials, litigation, etc, Satires (Visual works) England 1763, Etchings England London 1763]. publisher not identified. https://collections.library.yale.edu/catalog/10713203.