MLA

The Yorkshire Lead Mine, or, A New Method of Turning Lead to Gold [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10715683.

APA, 6th edition

The Yorkshire lead mine, or, A new method of turning lead to gold [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1771, Periodical illustrations, Etchings England London 1771]. publisher not identified. https://collections.library.yale.edu/catalog/10715683.