Cite

L S-----k and his secretary learning French [graphic].

MLA

L S-----k And His Secretary Learning French [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10715732.

APA, 6th edition

L S-----k and his secretary learning French [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1771, Etchings England London 1771, Periodical illustrations]. publisher not identified. https://collections.library.yale.edu/catalog/10715732.