MLA

Grinagain, Giles, and printmaker. The Caricaturist's Apology [Graphic]. Publish'd June 1st, 1802 by S. Howitt, No. 6 Panton Street, 0AD. https://collections.library.yale.edu/catalog/15813574.

APA, 6th edition

Grinagain, G., & printmaker. (0 C.E.). The caricaturist's apology [graphic] [Satires (Visual works) England 1802, Etchings England London 1802, Watermarks (Paper) W Elgar 1797]. Publish'd June 1st, 1802 by S. Howitt, No. 6 Panton Street. https://collections.library.yale.edu/catalog/15813574.