John Bull's guardian!! [graphic].
MLA
John Bull's Guardian!! [Graphic]. Pubd. June, 1804 by W. Holland No. 11 Cockspur Street, London, 0AD. https://collections.library.yale.edu/catalog/15813757.
APA, 6th edition
John Bull's guardian!! [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1804, Etchings England London 1804, Watermarks (Paper) E & P 1801]. Pubd. June, 1804 by W. Holland No. 11 Cockspur Street, London. https://collections.library.yale.edu/catalog/15813757.