MLA
Man Standing in Front of a Trailer That Says U.S. Air Force. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2. https://digital.library.emory.edu/purl/668x95x6h9-cor.
APA, 6th edition
Man standing in front of a trailer that says U.S. Air Force (Box 2). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/668x95x6h9-cor.
Chicago
“Man Standing in Front of a Trailer That Says U.S. Air Force.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/668x95x6h9-cor.