Cite

The usurping professer in the chair [graphic].

MLA

The Usurping Professer in the Chair [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10713376.

APA, 6th edition

The usurping professer in the chair [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1768, Etchings England London 1768, Watermarks (Paper)]. publisher not identified. https://collections.library.yale.edu/catalog/10713376.