[Lady Elizabeth Laura Waldegrave] [art original].
MLA
Russell, John, 1745-1806, artist. [Lady Elizabeth Laura Waldegrave] [art original].. [ca. 1778]. https://collections.library.yale.edu/catalog/15960083.
APA, 6th edition
Russell, John, 1745-1806, artist. ([ca. 1778])[[Lady Elizabeth Laura Waldegrave] [art original].]. https://collections.library.yale.edu/catalog/15960083.