MLA
Morris, Beth. Athletics: Frisbee - Students Play on Field. 1970. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 5. https://digital.library.emory.edu/purl/423612jn4z-cor.
APA, 6th edition
Morris, B. (1970). Athletics: Frisbee - Students play on field (Box 22, Folder 5) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jn4z-cor.
Chicago
Morris, Beth. “Athletics: Frisbee - Students Play on Field.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1970. Box 22, Folder 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jn4z-cor.