Cite

[Sketch of a robed man] [art original]

MLA

Gillray, James, 1756-1815, artist. [Sketch of a robed man] [art original]. [approximately 1805]. https://collections.library.yale.edu/catalog/16033911.

APA, 6th edition

Gillray, James, 1756-1815, artist. ([approximately 1805])[[Sketch of a robed man] [art original]]. https://collections.library.yale.edu/catalog/16033911.