MLA

Pembroke, Thomas, and artist. [The Triple Plea] [Art Original]. 0AD. https://collections.library.yale.edu/catalog/16193711.

APA, 6th edition

Pembroke, T., & artist. (0 C.E.). [The triple plea] [art original] [Ink drawings British 18th century, Wash drawings British 18th century]. https://collections.library.yale.edu/catalog/16193711.