Cite

[Portrait of Charles James Fox] [art original]

MLA

Beauclerk, Diana, Lady, 1734-1808, artist. [Portrait of Charles James Fox] [art original]. [ca. 1785]. https://collections.library.yale.edu/catalog/11138714.

APA, 6th edition

Beauclerk, Diana, Lady, 1734-1808, artist. ([ca. 1785])[[Portrait of Charles James Fox] [art original]]. https://collections.library.yale.edu/catalog/11138714.