Cite

[Photograph of men in field with tractor and disc harrow]

MLA

[Photograph of Men in Field with Tractor and Disc Harrow]. 0AD. https://collections.library.yale.edu/catalog/2065224.

APA, 6th edition

[Photograph of men in field with tractor and disc harrow]. (0 C.E.). [Photographic prints, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/2065224.