MLA
Thompson, Darrell. Business School - Two Men Speaking at Podium. 1960. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8, Folder 2. https://digital.library.emory.edu/purl/856n02v7jk-cor.
APA, 6th edition
Thompson, D. (1960). Business School - Two men speaking at podium (Box 8, Folder 2) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v7jk-cor.
Chicago
Thompson, Darrell. “Business School - Two Men Speaking at Podium.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1960. Box 8, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v7jk-cor.