MLA
Spencer, Thomas. Site of Posey House (Now Gaddis House) in Bartow County, Georgia. 1925. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 14, Folder 6. https://digital.library.emory.edu/purl/624jm63zwv-cor.
APA, 6th edition
Spencer, T. (1925). Site of Posey House (now Gaddis House) in Bartow County, Georgia (Box 14, Folder 6) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/624jm63zwv-cor.
Chicago
Spencer, Thomas. “Site of Posey House (Now Gaddis House) in Bartow County, Georgia.” Black-and-white photographs. Civil War Collection, 1925. Box 14, Folder 6. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/624jm63zwv-cor.