MLA
Peoples Drug Stores, inc. An African American Woman in a Dress Holding a Purse Standing in Front of Some Tall Grass with a Fence and Tree in the Background. 1941. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 40. https://digital.library.emory.edu/purl/389280gb9z-cor.
APA, 6th edition
Peoples Drug Stores, inc. (1941). An African American woman in a dress holding a purse standing in front of some tall grass with a fence and tree in the background (Box 40) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/389280gb9z-cor.
Chicago
Peoples Drug Stores, inc. “An African American Woman in a Dress Holding a Purse Standing in Front of Some Tall Grass with a Fence and Tree in the Background.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1941. Box 40. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/389280gb9z-cor.