Cite

[Photograph of Peter and Sally Palmquist with a friend]

MLA

[Photograph of Peter and Sally Palmquist with a Friend]. 1957. https://collections.library.yale.edu/catalog/2067667.

APA, 6th edition

[Photograph of Peter and Sally Palmquist with a friend]. (1957). [Negatives]. https://collections.library.yale.edu/catalog/2067667.