MLA

The Machine to Go without Asses [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10713446.

APA, 6th edition

The machine to go without asses [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1769, Periodical illustrations, Etchings England London 1769]. publisher not identified. https://collections.library.yale.edu/catalog/10713446.