MLA

Wenzel, K., and artist. Serum 703 [Graphic]. Eagle-Lion, 0AD. https://collections.library.yale.edu/catalog/16049106.

APA, 6th edition

Wenzel, K., & artist. (0 C.E.). Serum 703 [graphic] [Offset lithographs, Posters, Motion picture posters]. Eagle-Lion. https://collections.library.yale.edu/catalog/16049106.