Cite

The royal joke, or Black Jacks delight a hint for a new reform. [graphic]

MLA

Gillray, James, 1756-1815, printmaker. The royal joke, or Black Jacks delight a hint for a new reform. [graphic]. [25 April 1788]. https://collections.library.yale.edu/catalog/10728456.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([25 April 1788])[The royal joke, or Black Jacks delight a hint for a new reform. [graphic]]. https://collections.library.yale.edu/catalog/10728456.