MLA

A College Gate Divines Going upon Duty / [Graphic]. Pub. April 1, 1794, by J. Harris, Sweetings Alley, Cornhill, 0AD. https://collections.library.yale.edu/catalog/10939041.

APA, 6th edition

A college gate divines going upon duty / [graphic]. (0 C.E.). [Satires (Visual works) England 1780, Aquatints England London 1794, Watermarks (Paper)]. Pub. April 1, 1794, by J. Harris, Sweetings Alley, Cornhill. https://collections.library.yale.edu/catalog/10939041.