MLA

Walpole, Earl of Orford. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/17288824.

APA, 6th edition

Walpole, Earl of Orford. (0 C.E.). [Coats of arms Great Britain 18th century, Engravings England]. publisher not identified. https://collections.library.yale.edu/catalog/17288824.