MLA

The French King's Scheme for an Invasion [Graphic]. Sold in May's Buildings, 0AD. https://collections.library.yale.edu/catalog/11001101.

APA, 6th edition

The French King's scheme for an invasion [graphic]. (0 C.E.). [Caricatures and cartoons, Early works to 1800, Satires (Visual works) England 1756, Engravings England 1756]. Sold in May's Buildings. https://collections.library.yale.edu/catalog/11001101.