MLA

Harding, G. P. (George Perfect), 1780-1853, artist. Brantôme [art original].. [approximately 1805]. https://collections.library.yale.edu/catalog/16704413.

APA, 6th edition

Harding, G. P. (George Perfect), 1780-1853, artist. ([approximately 1805])[Brantôme [art original].]. https://collections.library.yale.edu/catalog/16704413.