Cite

Le Duc de Nivernois [art original]

MLA

Harding, G. P. (George Perfect), 1780-1853, artist. Le Duc de Nivernois [art original]. [approximately 1800]. https://collections.library.yale.edu/catalog/17469276.

APA, 6th edition

Harding, G. P. (George Perfect), 1780-1853, artist. ([approximately 1800])[Le Duc de Nivernois [art original]]. https://collections.library.yale.edu/catalog/17469276.