MLA

Suiters to Hibernia on Her Having a Free Trade [Graphic]. Publish'd March 18, 1780, by I. Mills, No. 1 Ratcliff Row, London, 0AD. https://collections.library.yale.edu/catalog/10723385.

APA, 6th edition

Suiters to Hibernia on her having a free trade [graphic]. (0 C.E.). [Satires (Visual works) England 1780, Engravings England London 1780, Etchings England London 1780]. Publish'd March 18, 1780, by I. Mills, No. 1 Ratcliff Row, London. https://collections.library.yale.edu/catalog/10723385.