MLA
Two African American Men Wearing Suits, Sitting in Chairs Side by Side. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 65. https://digital.library.emory.edu/purl/723hx3fffj-cor.
APA, 6th edition
Two African American men wearing suits, sitting in chairs side by side (Box 65). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/723hx3fffj-cor.
Chicago
“Two African American Men Wearing Suits, Sitting in Chairs Side by Side.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 65. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/723hx3fffj-cor.