MLA

Harding, E. (Edward), 1755-1840, printmaker. Joseph Harris, comedian from an original picture in the collection of the Earl of Orford at Strawbery [sic] Hill / [graphic]. [29 August 1793]. https://collections.library.yale.edu/catalog/16729823.

APA, 6th edition

Harding, E. (Edward), 1755-1840, printmaker. ([29 August 1793])[Joseph Harris, comedian from an original picture in the collection of the Earl of Orford at Strawbery [sic] Hill / [graphic]]. https://collections.library.yale.edu/catalog/16729823.