MLA
Group of Men and Women in a Small Room Looking at Paintings. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2. https://digital.library.emory.edu/purl/6386hdr7zq-cor.
APA, 6th edition
Group of men and women in a small room looking at paintings (Box 2). (1940). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7zq-cor.
Chicago
“Group of Men and Women in a Small Room Looking at Paintings.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1940. Box 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7zq-cor.