Cite

Unlawful union!! [graphic]

MLA

Cruikshank, Isaac, 1764-1811, printmaker. Unlawful union!! [graphic]. Feb. 25 [not before 1807]. https://collections.library.yale.edu/catalog/16192432.

APA, 6th edition

Cruikshank, Isaac, 1764-1811, printmaker. (Feb. 25 [not before 1807])[Unlawful union!! [graphic]]. https://collections.library.yale.edu/catalog/16192432.