MLA

Corbutt, Charles, 1746-1777, printmaker. Miss Harriot Powell [graphic]. [between 1746 and 1766]. https://collections.library.yale.edu/catalog/16194777.

APA, 6th edition

Corbutt, Charles, 1746-1777, printmaker. ([between 1746 and 1766])[Miss Harriot Powell [graphic]]. https://collections.library.yale.edu/catalog/16194777.