Cite

Big Sam, the prince's porter in Cymon [graphic].

MLA

Big Sam, the Prince's Porter in Cymon [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10697340.

APA, 6th edition

Big Sam, the prince's porter in Cymon [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1794, Periodical illustrations, Etchings England London 1794]. publisher not identified. https://collections.library.yale.edu/catalog/10697340.