Cite

[An unidentified person dipping their toes in the water while sitting on a rock]

MLA

[An Unidentified Person Dipping Their Toes in the Water While Sitting on a Rock]. 1957. https://collections.library.yale.edu/catalog/2067658.

APA, 6th edition

[An unidentified person dipping their toes in the water while sitting on a rock]. (1957). [Negatives]. https://collections.library.yale.edu/catalog/2067658.