MLA

Chapman, J. (John), active 1792-1823, printmaker. Pizzarro [graphic]. [1 October 1799]. https://collections.library.yale.edu/catalog/10952723.

APA, 6th edition

Chapman, J. (John), active 1792-1823, printmaker. ([1 October 1799])[Pizzarro [graphic]]. https://collections.library.yale.edu/catalog/10952723.