Cite

[Photograph of several boys seated at a table while Libby Palmquist hands out cups with Sally observing]

MLA

[Photograph of Several Boys Seated at a Table While Libby Palmquist Hands out Cups with Sally Observing]. 1964. https://collections.library.yale.edu/catalog/2068390.

APA, 6th edition

[Photograph of several boys seated at a table while Libby Palmquist hands out cups with Sally observing]. (1964). [Negatives]. https://collections.library.yale.edu/catalog/2068390.