MLA

Miss B-y Lord Le D-. [Graphic]. Publish'd as the act directs, by A. Hamilton Junr., near St. John's Gate, 0AD. https://collections.library.yale.edu/catalog/10716272.

APA, 6th edition

Miss B-y Lord Le D-. [graphic]. (0 C.E.). [Portrait prints, Periodical illustrations, Stipple engravings England London 1774, Etchings England London 1774]. Publish'd as the act directs, by A. Hamilton Junr., near St. John's Gate. https://collections.library.yale.edu/catalog/10716272.