MLA

Mademoiselle De Beaumont, or, the Chevalier d'Eon Female Minister Plenipo. Capt of Dragoons, &c &c. [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10723127.

APA, 6th edition

Mademoiselle de Beaumont, or, the Chevalier d'Eon Female Minister Plenipo. Capt of Dragoons, &c &c. [graphic]. (0 C.E.). [Periodical illustrations, Portrait prints, Engravings England London 1777, Etchings England London 1777, Satires (Visual works) England 1777]. publisher not identified. https://collections.library.yale.edu/catalog/10723127.