Cite

[Photograph of Libby Palmquist playing with two other children on a blanket spread out on the ground]

MLA

[Photograph of Libby Palmquist Playing with Two Other Children on a Blanket Spread out on the Ground]. 1961. https://collections.library.yale.edu/catalog/2067930.

APA, 6th edition

[Photograph of Libby Palmquist playing with two other children on a blanket spread out on the ground]. (1961). [Negatives]. https://collections.library.yale.edu/catalog/2067930.