MLA
Spencer, Thomas. Confederate Graves at Cemetery at The Rock, Upson County, Georgia. 1956. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 14, Folder 21. https://digital.library.emory.edu/purl/4816m906t1-cor.
APA, 6th edition
Spencer, T. (1956). Confederate graves at cemetery at The Rock, Upson County, Georgia (Box 14, Folder 21) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4816m906t1-cor.
Chicago
Spencer, Thomas. “Confederate Graves at Cemetery at The Rock, Upson County, Georgia.” Black-and-white photographs. Civil War Collection, 1956. Box 14, Folder 21. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4816m906t1-cor.