Cite

[Photograph of three men, one in a rocking chair, on a porch]

MLA

[Photograph of Three Men, One in a Rocking Chair, on a Porch]. 0AD. https://collections.library.yale.edu/catalog/2014068.

APA, 6th edition

[Photograph of three men, one in a rocking chair, on a porch]. (0 C.E.). [Photographic prints, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/2014068.