MLA

George Dempster, Esqr [Graphic]. George Dempster, 0AD. https://collections.library.yale.edu/catalog/16831001.

APA, 6th edition

George Dempster, Esqr [graphic]. (0 C.E.). [Armorial bookplates, Bookplates, Engravings England 1800]. George Dempster. https://collections.library.yale.edu/catalog/16831001.