MLA

Gillray, James, 1756-1815, printmaker. Armed-heroes vide, military appearances at St. Stephens & at St. Cloud's on [the] day of defiance / [graphic]. [18 May 1803]. https://collections.library.yale.edu/catalog/11858808.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([18 May 1803])[Armed-heroes vide, military appearances at St. Stephens & at St. Cloud's on [the] day of defiance / [graphic]]. https://collections.library.yale.edu/catalog/11858808.