MLA

The Lovely Miss L-Ws-n The Hardy Commander. [Graphic]. Publish'd by A. Hamilton Junr. near St. John's Gate, 0AD. https://collections.library.yale.edu/catalog/10723371.

APA, 6th edition

The lovely Miss L-ws-n The hardy commander. [graphic]. (0 C.E.). [Portrait prints, Engravings England London 1780, Stipple engravings England London 1780]. Publish'd by A. Hamilton Junr. near St. John's Gate. https://collections.library.yale.edu/catalog/10723371.