MLA

Earlom, Richard, 1743-1822, printmaker. The Royal Academy of Arts, instituted by the King, in the year 1768 humbly dedicated to its royal patron by His Majesty's most faithfull [sic] subject, Robert Sayer / [graphic]. 2d August 1773.. https://collections.library.yale.edu/catalog/17328412.

APA, 6th edition

Earlom, Richard, 1743-1822, printmaker. (2d August 1773.)[The Royal Academy of Arts, instituted by the King, in the year 1768 humbly dedicated to its royal patron by His Majesty's most faithfull [sic] subject, Robert Sayer / [graphic]]. https://collections.library.yale.edu/catalog/17328412.