MLA

Steevens, George, 1736-1800, artist. Jack in an office, or, Peter Necessary with choice of chamber pots a ticket for the [scored line]. [art original]. [not after April 1763]. https://collections.library.yale.edu/catalog/16193827.

APA, 6th edition

Steevens, George, 1736-1800, artist. ([not after April 1763])[Jack in an office, or, Peter Necessary with choice of chamber pots a ticket for the [scored line]. [art original]]. https://collections.library.yale.edu/catalog/16193827.