MLA

Prud’homme, John Francis Eugene, 1800-1892, engraver, artist. Winfield Scott. [1846]. https://collections.library.yale.edu/catalog/2015632.

APA, 6th edition

Prud’homme, John Francis Eugene, 1800-1892, engraver, artist. ([1846])[Winfield Scott]. https://collections.library.yale.edu/catalog/2015632.