Cite

The friendly agent [graphic].

MLA

Gillray, James, 1756-1815, printmaker. The friendly agent [graphic].. [9 June 1787]. https://collections.library.yale.edu/catalog/10728326.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([9 June 1787])[The friendly agent [graphic].]. https://collections.library.yale.edu/catalog/10728326.