MLA

Clara H-d P- M- Esqr. [Graphic]. Published as the Act directs by A. Hamilton Junr. near St. Johns Gate, 0AD. https://collections.library.yale.edu/catalog/10723011.

APA, 6th edition

Clara H-d P- M- Esqr. [graphic]. (0 C.E.). [Portrait prints, Periodical illustrations, Stipple engravings England London 1776, Engravings England London 1776, Etchings England London 1776]. Published as the Act directs by A. Hamilton Junr. near St. Johns Gate. https://collections.library.yale.edu/catalog/10723011.