MLA

Cristina, Queen of Sweden after an Original Drawing. [Graphic]. Published as the act directs, 1 Aug. 1793, by J. Good, Bond Street, 0AD. https://collections.library.yale.edu/catalog/16729699.

APA, 6th edition

Cristina, Queen of Sweden after an original drawing. [graphic]. (0 C.E.). [Portrait prints, Periodical illustrations, Frontispieces, Etchings England London 1793, Engravings England London 1793]. Published as the act directs, 1 Aug. 1793, by J. Good, Bond Street. https://collections.library.yale.edu/catalog/16729699.