Metallic-tractors [graphic]
MLA
Gillray, James, 1756-1815, printmaker, artist. Metallic-tractors [graphic]. [11 November 1801]. https://collections.library.yale.edu/catalog/17339248.
APA, 6th edition
Gillray, James, 1756-1815, printmaker, artist. ([11 November 1801])[Metallic-tractors [graphic]]. https://collections.library.yale.edu/catalog/17339248.