Cite

The courageous Doctor Christian [graphic].

MLA

The Courageous Doctor Christian [Graphic]. RKO Radio Pictures, Morgan Litho Corp. Cleveland, O., 0AD. https://collections.library.yale.edu/catalog/16049118.

APA, 6th edition

The courageous Doctor Christian [graphic]. (0 C.E.). [Offset lithographs, Posters, Motion picture posters]. RKO Radio Pictures, Morgan Litho Corp. Cleveland, O. https://collections.library.yale.edu/catalog/16049118.