MLA

Marshall, John, Junior, active 1820, printmaker. The bone of contention, or, Political merry thought being a new way to get married [graphic]. [28 August 1820]. https://collections.library.yale.edu/catalog/33245816.

APA, 6th edition

Marshall, John, Junior, active 1820, printmaker. ([28 August 1820])[The bone of contention, or, Political merry thought being a new way to get married [graphic]]. https://collections.library.yale.edu/catalog/33245816.