Cite

[Photograph of F.O. Matthiessen and friends, Floating Rock, New Hampshire, early 1930's]

MLA

[Photograph of F.O. Matthiessen and Friends, Floating Rock, New Hampshire, Early 1930's]. 193AD. https://collections.library.yale.edu/catalog/14884731.

APA, 6th edition

[Photograph of F.O. Matthiessen and friends, Floating Rock, New Hampshire, early 1930's]. (193 C.E.). [Photographic prints, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/14884731.