MLA

Harding, G. P. (George Perfect), 1780-1853, artist. Front of Strawberry Hill before the alteration in 1747 As when altered. [art original]. [not after 1824]. https://collections.library.yale.edu/catalog/16193360.

APA, 6th edition

Harding, G. P. (George Perfect), 1780-1853, artist. ([not after 1824])[Front of Strawberry Hill before the alteration in 1747 As when altered. [art original]]. https://collections.library.yale.edu/catalog/16193360.