MLA
Spencer, Thomas. Jessie Spencer under a Giant Oak Tree at Chattanooga National Cemetary in Chattanooga, Tennessee. 1951. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 7. https://digital.library.emory.edu/purl/11615dv57r-cor.
APA, 6th edition
Spencer, T. (1951). Jessie Spencer under a giant oak tree at Chattanooga National Cemetary in Chattanooga, Tennessee (Box 15, Folder 7) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/11615dv57r-cor.
Chicago
Spencer, Thomas. “Jessie Spencer under a Giant Oak Tree at Chattanooga National Cemetary in Chattanooga, Tennessee.” Black-and-white photographs. Civil War Collection, 1951. Box 15, Folder 7. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/11615dv57r-cor.