MLA

Henry Cornelius Hart [Graphic]. Henry Cornelius Hart, 0AD. https://collections.library.yale.edu/catalog/16831009.

APA, 6th edition

Henry Cornelius Hart [graphic]. (0 C.E.). [Armorial bookplates, Bookplates, Engravings England 1800]. Henry Cornelius Hart. https://collections.library.yale.edu/catalog/16831009.