MLA
Spencer, Thomas. Beech Tree at the Chattahoochee River near Atlanta, Georgia. 1958. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 14, Folder 5. https://digital.library.emory.edu/purl/0278sf7n3z-cor.
APA, 6th edition
Spencer, T. (1958). Beech tree at the Chattahoochee River near Atlanta, Georgia (Box 14, Folder 5) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0278sf7n3z-cor.
Chicago
Spencer, Thomas. “Beech Tree at the Chattahoochee River near Atlanta, Georgia.” Black-and-white photographs. Civil War Collection, 1958. Box 14, Folder 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0278sf7n3z-cor.