Cite

Bristol-cheese made & sold by Percival & Co. [graphic]

MLA

Gillray, James, 1756-1815, printmaker. Bristol-cheese made & sold by Percival & Co. [graphic]. [1809]. https://collections.library.yale.edu/catalog/11861210.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([1809])[Bristol-cheese made & sold by Percival & Co. [graphic]]. https://collections.library.yale.edu/catalog/11861210.