MLA

The Mercenary Maria ; The Ardent Lover. [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10732696.

APA, 6th edition

The mercenary Maria ; The ardent lover. [graphic]. (0 C.E.). [Portrait prints, Periodical illustrations, Etchings England London 1792, Stipple engravings England London 1792]. publisher not identified. https://collections.library.yale.edu/catalog/10732696.