MLA
African American Man Standing While Wearing a Suit, with One Hand in His Pocket, and the Other on the Back of a Chair. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/590dv41nv6-cor.
APA, 6th edition
African American man standing while wearing a suit, with one hand in his pocket, and the other on the back of a chair (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/590dv41nv6-cor.
Chicago
“African American Man Standing While Wearing a Suit, with One Hand in His Pocket, and the Other on the Back of a Chair.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/590dv41nv6-cor.