MLA

Enchantments Lately Seen upon the Mountains of Wales, or, Shon Ap-Morgan's Reconcilement to the Fairy Princess [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/16192374.

APA, 6th edition

Enchantments lately seen upon the mountains of Wales, or, Shon ap-Morgan's reconcilement to the fairy princess [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1811, Etchings England London 1811]. publisher not identified. https://collections.library.yale.edu/catalog/16192374.