MLA

Harm Watch, Harm Catch, or, The Commissioners Become Hostages, or, The French Vermin in the German Trap [Graphic]. Pubd. by J. Aitken, No. 14 Castle Street, Leicester Fields, London, 0AD. https://collections.library.yale.edu/catalog/33286261.

APA, 6th edition

Harm watch, harm catch, or, The commissioners become hostages, or, The French vermin in the German trap [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1793, Satires (Visual works) France 1793, Etchings England London 1793, Watermarks (Paper)]. Pubd. by J. Aitken, No. 14 Castle Street, Leicester Fields, London. https://collections.library.yale.edu/catalog/33286261.