Cite

[No. 16: Photograph of man with binoculars reclining in camp]

MLA

[No. 16: Photograph of Man with Binoculars Reclining in Camp]. 1915. https://collections.library.yale.edu/catalog/11679505.

APA, 6th edition

[No. 16: Photograph of man with binoculars reclining in camp]. (1915). [Photographs, Slides (glass)]. https://collections.library.yale.edu/catalog/11679505.