MLA
Services, Emory University Photographic. Emory Miscellany - Tree Falling over Footbridge on Campus. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2, Folder 11. https://digital.library.emory.edu/purl/252j6q57pg-cor.
APA, 6th edition
Services, E. U. P. (1940). Emory Miscellany - Tree falling over footbridge on campus (Box 2, Folder 11) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/252j6q57pg-cor.
Chicago
Services, Emory University Photographic. “Emory Miscellany - Tree Falling over Footbridge on Campus.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1940. Box 2, Folder 11. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/252j6q57pg-cor.