MLA

Gillray, James, 1756-1815, printmaker. Le Trèsorier [graphic]. [21 May 1798]. https://collections.library.yale.edu/catalog/10941171.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([21 May 1798])[Le Trèsorier [graphic]]. https://collections.library.yale.edu/catalog/10941171.