MLA

Kingsbury, Henry, and printmaker. The Lover's Leap [Graphic]. Publish'd March 21, 1786, by S.W. Fores at the Caracature Warehouse No.3 Piccadilly, 0AD. https://collections.library.yale.edu/catalog/10728089.

APA, 6th edition

Kingsbury, H., & printmaker. (0 C.E.). The lover's leap [graphic] [Caricatures and cartoons, Satires (Visual works) England 1786, Etchings England London 1786, Watermarks (Paper) J Whatman]. Publish'd March 21, 1786, by S.W. Fores at the Caracature Warehouse No.3 Piccadilly. https://collections.library.yale.edu/catalog/10728089.