Cite

Cary Brunswick o' the Guelph [graphic].

MLA

Williams, Charles, active 1797-1830, printmaker. Cary Brunswick o' the Guelph [graphic].. [September 1820]. https://collections.library.yale.edu/catalog/16817010.

APA, 6th edition

Williams, Charles, active 1797-1830, printmaker. ([September 1820])[Cary Brunswick o' the Guelph [graphic].]. https://collections.library.yale.edu/catalog/16817010.