MLA

Miss St-Ns-n The Bloomsbury Youth. [Graphic]. Publish'd by A. Hamilton Junr. Fleet Street, 0AD. https://collections.library.yale.edu/catalog/15810281.

APA, 6th edition

Miss St-ns-n The Bloomsbury youth. [graphic]. (0 C.E.). [Portrait prints, Periodical illustrations, Engravings England London 1784, Stipple engravings England London 1784]. Publish'd by A. Hamilton Junr. Fleet Street. https://collections.library.yale.edu/catalog/15810281.