MLA

Wedding Night, or, The Fashonable [Sic] Frolic [Graphic]. Publish'd by J. Phillips, No. 164 Piccadilly, 0AD. https://collections.library.yale.edu/catalog/10728091.

APA, 6th edition

Wedding night, or, The fashonable [sic] frolic [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1786, Etchings England London 1786, Stipple engravings England London 1786]. Publish'd by J. Phillips, No. 164 Piccadilly. https://collections.library.yale.edu/catalog/10728091.