Cite

Iohn Bull making observations on the comet [graphic]

MLA

Rowlandson, Thomas, 1756-1827, printmaker. Iohn Bull making observations on the comet [graphic]. [not before 10 November 1807]. https://collections.library.yale.edu/catalog/16192447.

APA, 6th edition

Rowlandson, Thomas, 1756-1827, printmaker. ([not before 10 November 1807])[Iohn Bull making observations on the comet [graphic]]. https://collections.library.yale.edu/catalog/16192447.