Cite

[Snow scene, Emil standing on snow bank]. 163

MLA

[Snow Scene, Emil Standing on Snow Bank]. 163. 0AD. https://collections.library.yale.edu/catalog/2016773.

APA, 6th edition

[Snow scene, Emil standing on snow bank]. 163. (0 C.E.). [Photographic prints, Photographs, Stereographs]. https://collections.library.yale.edu/catalog/2016773.