The comet [graphic]
MLA
Sayers, James, 1748-1823, printmaker. The comet [graphic]. 18th Feby. 1789.. https://collections.library.yale.edu/catalog/16194443.
APA, 6th edition
Sayers, James, 1748-1823, printmaker. (18th Feby. 1789.)[The comet [graphic]]. https://collections.library.yale.edu/catalog/16194443.