The two greatest men in England [graphic]
MLA
Williams, Charles, active 1797-1830, printmaker, artist. The two greatest men in England [graphic]. [7 April 1806]. https://collections.library.yale.edu/catalog/17339716.
APA, 6th edition
Williams, Charles, active 1797-1830, printmaker, artist. ([7 April 1806])[The two greatest men in England [graphic]]. https://collections.library.yale.edu/catalog/17339716.