MLA

A Lock'd Jaw for John Bull [Graphic]. Pubd. Novr. 23, 1795, by S.W. Fores, No. 50 Piccadilly, the corner of Sackville Street, 0AD. https://collections.library.yale.edu/catalog/11105903.

APA, 6th edition

A lock'd jaw for John Bull [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1795, Etchings England London 1795, Watermarks (Paper) C Taylor, Publishers' advertisements, Booksellers' stamps (Provenance) S. W. Fores]. Pubd. Novr. 23, 1795, by S.W. Fores, No. 50 Piccadilly, the corner of Sackville Street. https://collections.library.yale.edu/catalog/11105903.