Cite

Man sitting near tree stump, with two dogs

MLA

Man Sitting near Tree Stump, with Two Dogs. 0AD. https://collections.library.yale.edu/catalog/2007396.

APA, 6th edition

Man sitting near tree stump, with two dogs. (0 C.E.). [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2007396.