MLA
Spencer, Thomas. Ryal's House in Bartow County, Georgia. The House Was Used by Union Troops during the Civil War. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 14, Folder 6. https://digital.library.emory.edu/purl/0343r2294k-cor.
APA, 6th edition
Spencer, T. (1940). Ryal's House in Bartow County, Georgia. The house was used by Union troops during the Civil War (Box 14, Folder 6) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0343r2294k-cor.
Chicago
Spencer, Thomas. “Ryal's House in Bartow County, Georgia. The House Was Used by Union Troops during the Civil War.” Black-and-white photographs. Civil War Collection, 1940. Box 14, Folder 6. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0343r2294k-cor.