MLA
Three African American Men in Suits Standing in Front of a Curtain. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 50. https://digital.library.emory.edu/purl/8128931zjz-cor.
APA, 6th edition
Three African American men in suits standing in front of a curtain (Box 50). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8128931zjz-cor.
Chicago
“Three African American Men in Suits Standing in Front of a Curtain.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 50. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8128931zjz-cor.