Cite

National contrasts, or, Bulky and Boney [graphic]

MLA

Roberts, Piercy, active 1791-1805, printmaker. National contrasts, or, Bulky and Boney [graphic]. [1807]. https://collections.library.yale.edu/catalog/15813942.

APA, 6th edition

Roberts, Piercy, active 1791-1805, printmaker. ([1807])[National contrasts, or, Bulky and Boney [graphic]]. https://collections.library.yale.edu/catalog/15813942.