MLA
Spencer, Thomas. Park's Home at Parks Mill in Morgan County, Georgia. 1955. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 14, Folder 19. https://digital.library.emory.edu/purl/6386hdr8z7-cor.
APA, 6th edition
Spencer, T. (1955). Park's Home at Parks Mill in Morgan County, Georgia (Box 14, Folder 19) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr8z7-cor.
Chicago
Spencer, Thomas. “Park's Home at Parks Mill in Morgan County, Georgia.” Black-and-white photographs. Civil War Collection, 1955. Box 14, Folder 19. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr8z7-cor.