MLA

Ministerial Phlebotomy, or, Bleeding John Bull [Graphic]. Pub. 6th of Feb. by S.W. Fores, 50 Piccadilli [sic], 0AD. https://collections.library.yale.edu/catalog/15814091.

APA, 6th edition

Ministerial phlebotomy, or, Bleeding John Bull [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1808, Etchings England London 1808, Watermarks (Paper) John Hall]. Pub. 6th of Feb. by S.W. Fores, 50 Piccadilli [sic]. https://collections.library.yale.edu/catalog/15814091.