Cite

[Mary Ann Clarke sitting on a couch holding a book] [graphic].

MLA

[Mary Ann Clarke Sitting on a Couch Holding a Book] [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/33284004.

APA, 6th edition

[Mary Ann Clarke sitting on a couch holding a book] [graphic]. (0 C.E.). [Portrait prints, Stipple engravings England London 1809]. publisher not identified. https://collections.library.yale.edu/catalog/33284004.