Cite

[Photograph of man driving wagon, horses following]

MLA

[Photograph of Man Driving Wagon, Horses Following]. 1915. https://collections.library.yale.edu/catalog/11683499.

APA, 6th edition

[Photograph of man driving wagon, horses following]. (1915). [Photographs, Slides (glass)]. https://collections.library.yale.edu/catalog/11683499.