MLA

Saddington & Marsden [Graphic]. Saddington & Marsden, 0AD. https://collections.library.yale.edu/catalog/16830915.

APA, 6th edition

Saddington & Marsden [graphic]. (0 C.E.). [Advertisements, Trade cards (advertising), Ephemera, Engravings England London 1757]. Saddington & Marsden. https://collections.library.yale.edu/catalog/16830915.