MLA
Spencer, Thomas. Historical Marker Site of the Pursuit of Confederate President, Jefferson Davis in Lee County, Georgia. 1957. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 1. https://digital.library.emory.edu/purl/733rv15g06-cor.
APA, 6th edition
Spencer, T. (1957). Historical marker site of the pursuit of Confederate president, Jefferson Davis in Lee County, Georgia (Box 15, Folder 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/733rv15g06-cor.
Chicago
Spencer, Thomas. “Historical Marker Site of the Pursuit of Confederate President, Jefferson Davis in Lee County, Georgia.” Black-and-white photographs. Civil War Collection, 1957. Box 15, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/733rv15g06-cor.