MLA

Harding, G. P. (George Perfect), 1780-1853, artist. Elizabeth Russell, Baroness of Thornhaugh drawn from the original in the collection at Woburn Abbey / [art original]. [not after 1853]. https://collections.library.yale.edu/catalog/17480333.

APA, 6th edition

Harding, G. P. (George Perfect), 1780-1853, artist. ([not after 1853])[Elizabeth Russell, Baroness of Thornhaugh drawn from the original in the collection at Woburn Abbey / [art original]]. https://collections.library.yale.edu/catalog/17480333.