MLA

Rt. Honble. Charles James Fox [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10939225.

APA, 6th edition

Rt. Honble. Charles James Fox [graphic]. (0 C.E.). [Portrait prints, Periodical illustrations, Engravings England London 1795, Etchings England London 1795]. publisher not identified. https://collections.library.yale.edu/catalog/10939225.