Cite

The Rt. Honble. Maria Constantia, Countess of Suffolk and Berkshire [graphic]

MLA

Watson, James, 1740-1790, printmaker. The Rt. Honble. Maria Constantia, Countess of Suffolk and Berkshire [graphic]. [1766]. https://collections.library.yale.edu/catalog/15949987.

APA, 6th edition

Watson, James, 1740-1790, printmaker. ([1766])[The Rt. Honble. Maria Constantia, Countess of Suffolk and Berkshire [graphic]]. https://collections.library.yale.edu/catalog/15949987.