MLA

Crowquill, Alfred, and printmaker. Doctor's Leaf. [Graphic]. 7. Published by Smith, Elder & Co., Cornhill, 0AD. https://collections.library.yale.edu/catalog/10971409.

APA, 6th edition

Crowquill, A., & printmaker. (0 C.E.). Doctor's leaf. [graphic]. 7 [Satires (Visual works) England 1835, Lithographs England London 1835]. Published by Smith, Elder & Co., Cornhill. https://collections.library.yale.edu/catalog/10971409.