Cite

Billy the gamekeeper W.S. / [graphic]

MLA

Gillray, James, 1756-1815, printmaker. Billy the gamekeeper W.S. / [graphic]. [approximately 1810]. https://collections.library.yale.edu/catalog/11861218.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([approximately 1810])[Billy the gamekeeper W.S. / [graphic]]. https://collections.library.yale.edu/catalog/11861218.