Cite

Billy the gamekeeper [graphic].

MLA

Gillray, James, 1756-1815, printmaker. Billy the gamekeeper [graphic].. [23 April 1810]. https://collections.library.yale.edu/catalog/10969038.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([23 April 1810])[Billy the gamekeeper [graphic].]. https://collections.library.yale.edu/catalog/10969038.