MLA

Mansergh, R. St. George, active 1772-1778, printmaker. The macaroni duelists [graphic]. [15 January 1772]. https://collections.library.yale.edu/catalog/16737539.

APA, 6th edition

Mansergh, R. St. George, active 1772-1778, printmaker. ([15 January 1772])[The macaroni duelists [graphic]]. https://collections.library.yale.edu/catalog/16737539.