MLA

The Preliminary Congress [Graphic]. Sold in May's Buildings, Covt. Gardern, 0AD. https://collections.library.yale.edu/catalog/10714430.

APA, 6th edition

The preliminary congress [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1748, Etchings England London 1748, Watermarks (Paper)]. Sold in May's Buildings, Covt. Gardern. https://collections.library.yale.edu/catalog/10714430.