MLA

The Convention Makers [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10715681.

APA, 6th edition

The convention makers [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1771, Periodical illustrations England 1771, Etchings England London 1771]. publisher not identified. https://collections.library.yale.edu/catalog/10715681.