Cite

A humorous scene at the regatta [graphic].

MLA

A Humorous Scene at the Regatta [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10716368.

APA, 6th edition

A humorous scene at the regatta [graphic]. (0 C.E.). [Periodical illustrations, Engravings England 1775, Etchings England 1775]. publisher not identified. https://collections.library.yale.edu/catalog/10716368.