MLA

[Lion with Smaller Animal between His Paws Framed by Curtains] [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/16830694.

APA, 6th edition

[Lion with smaller animal between his paws framed by curtains] [graphic]. (0 C.E.). [Advertisements, Trade cards (advertising), Ephemera, Engravings England 1757]. publisher not identified. https://collections.library.yale.edu/catalog/16830694.