Cite

[Maria, Countess Waldegrave] [art original].

MLA

Collins, Richard, 1755-1831, artist. [Maria, Countess Waldegrave] [art original].. [approximately 1760]. https://collections.library.yale.edu/catalog/15815144.

APA, 6th edition

Collins, Richard, 1755-1831, artist. ([approximately 1760])[[Maria, Countess Waldegrave] [art original].]. https://collections.library.yale.edu/catalog/15815144.