MLA
Spencer, Thomas. Site of the Battle of Alamance in 1771 in Alamance County, North Carolina during the Revolutionary War. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 5. https://digital.library.emory.edu/purl/668x95x7gj-cor.
APA, 6th edition
Spencer, T. (1940). Site of the Battle of Alamance in 1771 in Alamance County, North Carolina during the Revolutionary War (Box 15, Folder 5) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/668x95x7gj-cor.
Chicago
Spencer, Thomas. “Site of the Battle of Alamance in 1771 in Alamance County, North Carolina during the Revolutionary War.” Black-and-white photographs. Civil War Collection, 1940. Box 15, Folder 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/668x95x7gj-cor.