[Photographic reproduction of a watercolor scene by Anton Schonborn]
MLA
Schonborn, Anton. [Photographic Reproduction of a Watercolor Scene by Anton Schonborn]. 0AD. https://collections.library.yale.edu/catalog/2055650.
APA, 6th edition
Schonborn, A. (0 C.E.). [Photographic reproduction of a watercolor scene by Anton Schonborn] [Copy prints, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2055650.