MLA
Duncan, Bob. Debate Team - Group Portrait of Individual Debate Winners. Emory University. Office of Alumni Publications., 1966. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 8. https://digital.library.emory.edu/purl/409j3tx9x7-cor.
APA, 6th edition
Duncan, B. (1966). Debate Team - Group portrait of individual debate winners (Box 15, Folder 8) [Black-and-white photographs]. Emory University. Office of Alumni Publications.; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/409j3tx9x7-cor.
Chicago
Duncan, Bob. “Debate Team - Group Portrait of Individual Debate Winners.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 1. Emory University. Office of Alumni Publications., 1966. Box 15, Folder 8. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/409j3tx9x7-cor.