Catharine Sedley, Countess of Dorchester from the original picture in the collection at Strawberry Hill / [art original]
MLA
Harding, G. P. (George Perfect), 1780-1853, artist. Catharine Sedley, Countess of Dorchester from the original picture in the collection at Strawberry Hill / [art original]. [between 1807 and 1812?]. https://collections.library.yale.edu/catalog/11134615.
APA, 6th edition
Harding, G. P. (George Perfect), 1780-1853, artist. ([between 1807 and 1812?])[Catharine Sedley, Countess of Dorchester from the original picture in the collection at Strawberry Hill / [art original]]. https://collections.library.yale.edu/catalog/11134615.