MLA
Duncan, Bob. Library - Emory Alumni in Library. 1964. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 10. https://digital.library.emory.edu/purl/805fbg79xs-cor.
APA, 6th edition
Duncan, B. (1964). Library - Emory alumni in library (Box 1, Folder 10) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/805fbg79xs-cor.
Chicago
Duncan, Bob. “Library - Emory Alumni in Library.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1964. Box 1, Folder 10. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/805fbg79xs-cor.