MLA

Scriven, Edward, 1775-1841, printmaker. The Right Honourable Richard Brinsley Sheridan from an original picture by Sir Joshua Reynolds / [graphic]. [21 January 1814]. https://collections.library.yale.edu/catalog/33191874.

APA, 6th edition

Scriven, Edward, 1775-1841, printmaker. ([21 January 1814])[The Right Honourable Richard Brinsley Sheridan from an original picture by Sir Joshua Reynolds / [graphic]]. https://collections.library.yale.edu/catalog/33191874.