Cite

Charles, Duke of Richmond &c. 1778 [graphic]

MLA

Watson, James, 1740-1790, printmaker. Charles, Duke of Richmond &c. 1778 [graphic]. publish'd according to act of Parliament, Decr. 21st, 1778.. https://collections.library.yale.edu/catalog/16193231.

APA, 6th edition

Watson, James, 1740-1790, printmaker. (publish'd according to act of Parliament, Decr. 21st, 1778.)[Charles, Duke of Richmond &c. 1778 [graphic]]. https://collections.library.yale.edu/catalog/16193231.