MLA

William Shudall, Robe Maker to His Royal Highness the Duke of Cumberland, at the Judges Robe, behind St. Clements ... [Graphic]. William Shudall, 0AD. https://collections.library.yale.edu/catalog/16830829.

APA, 6th edition

William Shudall, robe maker to his Royal Highness the Duke of Cumberland, at the Judges Robe, behind St. Clements ... [graphic]. (0 C.E.). [Advertisements, Trade cards (advertising), Ephemera, Engravings England London 1757]. William Shudall. https://collections.library.yale.edu/catalog/16830829.