MLA

Ready Mony the Prevailing Candidate, or The Humours of an Election [Graphic]. Sold at the Print Shop in Grays Inn, 0AD. https://collections.library.yale.edu/catalog/10990066.

APA, 6th edition

Ready mony the prevailing candidate, or The humours of an election [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1727, Etchings England London 1727]. Sold at the Print Shop in Grays Inn. https://collections.library.yale.edu/catalog/10990066.