MLA

Woodward, G. M. (George Moutard), approximately 1760-1809, artist. The borough Cromwell exercising his authority!! [art original].. [approximately 1808]. https://collections.library.yale.edu/catalog/15814084.

APA, 6th edition

Woodward, G. M. (George Moutard), approximately 1760-1809, artist. ([approximately 1808])[The borough Cromwell exercising his authority!! [art original].]. https://collections.library.yale.edu/catalog/15814084.