Cite

Horace Walpole, Earl of Orford [graphic]

MLA

Evans, William, active 1797-1812, printmaker. Horace Walpole, Earl of Orford [graphic]. [ca. 1797]. https://collections.library.yale.edu/catalog/15815262.

APA, 6th edition

Evans, William, active 1797-1812, printmaker. ([ca. 1797])[Horace Walpole, Earl of Orford [graphic]]. https://collections.library.yale.edu/catalog/15815262.