By Birket and Webb, at the Unicorn, the Corner of Featherstone Buildings, Holbourn [graphic].
MLA
By Birket and Webb, at the Unicorn, the Corner of Featherstone Buildings, Holbourn [Graphic]. Birket and Webb, 0AD. https://collections.library.yale.edu/catalog/16830890.
APA, 6th edition
By Birket and Webb, at the Unicorn, the Corner of Featherstone Buildings, Holbourn [graphic]. (0 C.E.). [Advertisements, Trade cards (advertising), Ephemera, Engravings England London 1757]. Birket and Webb. https://collections.library.yale.edu/catalog/16830890.
