MLA

Political Electricity, or, An Historical & Prophetical Print in the Year 1770 [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10713472.

APA, 6th edition

Political electricity, or, An historical & prophetical print in the year 1770 [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1770, Cartoons (Commentary) British 1770, Intaglio prints British 1770, Etchings England London 1770, Engravings England London 1770]. publisher not identified. https://collections.library.yale.edu/catalog/10713472.