MLA
Duncan, Bob. Debate Team - Students Leaving the Preliminary Debate. 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/201bk3jb9p-cor.
APA, 6th edition
Duncan, B. (1966). Debate Team - Students leaving the preliminary debate (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/201bk3jb9p-cor.
Chicago
Duncan, Bob. “Debate Team - Students Leaving the Preliminary Debate.” 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/201bk3jb9p-cor.