MLA

The Arms and Supporters of a Debateing Society [Graphic]. Pubd Jany. 25th 1798 by Dighton, Charg Cross, 0AD. https://collections.library.yale.edu/catalog/10941110.

APA, 6th edition

The arms and supporters of a debateing society [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1798, Etchings England London 1798]. Pubd Jany. 25th 1798 by Dighton, Charg Cross. https://collections.library.yale.edu/catalog/10941110.