MLA

The K-Gs Ass in a Band-Box [Graphic]. Pubd. by J. Johnston, No. 98 Cheapside, 0AD. https://collections.library.yale.edu/catalog/33246054.

APA, 6th edition

The K-gs ass in a band-box [graphic]. (0 C.E.). [Satires (Visual works) England 1821, Etchings England London 1821, Annotations (Provenance) 19th century, Watermarks (Paper) J. Whatman 1821]. Pubd. by J. Johnston, No. 98 Cheapside. https://collections.library.yale.edu/catalog/33246054.