Cite

Horatio Walpole, Earl of Orford [graphic]

MLA

Evans, William, active 1797-1812, printmaker. Horatio Walpole, Earl of Orford [graphic]. [not before 1797]. https://collections.library.yale.edu/catalog/33202658.

APA, 6th edition

Evans, William, active 1797-1812, printmaker. ([not before 1797])[Horatio Walpole, Earl of Orford [graphic]]. https://collections.library.yale.edu/catalog/33202658.