MLA

Barnard, William, 1774-1849, printmaker. Scotland [graphic]. [12 March 1800]. https://collections.library.yale.edu/catalog/10953029.

APA, 6th edition

Barnard, William, 1774-1849, printmaker. ([12 March 1800])[Scotland [graphic]]. https://collections.library.yale.edu/catalog/10953029.