MLA

Britannia Lamenting the Fate of Her Favorite Son [Graphic]. Pubd. April 11th, 1810, by T. Tegg, 111 Cheapside, 0AD. https://collections.library.yale.edu/catalog/33191758.

APA, 6th edition

Britannia lamenting the fate of her favorite son [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1810, Etchings England London 1810]. Pubd. April 11th, 1810, by T. Tegg, 111 Cheapside. https://collections.library.yale.edu/catalog/33191758.