MLA

A Keen-Sighted Politician Warming His Imagination [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/16192366.

APA, 6th edition

A keen-sighted politician warming his imagination [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1810, Etchings England London 1810, Watermarks (Paper) 1817]. publisher not identified. https://collections.library.yale.edu/catalog/16192366.