MLA

Gr. Holroyd at [the] Wheatsheaf in Princes Street near Leicesterfields ... [Graphic]. Gr. Holroyd, 0AD. https://collections.library.yale.edu/catalog/16830636.

APA, 6th edition

Gr. Holroyd at [the] Wheatsheaf in Princes Street near Leicesterfields ... [graphic]. (0 C.E.). [Advertisements, Trade cards (advertising), Ephemera, Engravings England London 1757]. Gr. Holroyd. https://collections.library.yale.edu/catalog/16830636.