MLA
Spencer, Thomas. Tombstone of Confederate General Barnard Elliott Bee Jr., Who Was Killed at the First Battle of Bull Run, in Pendleton South Carolina. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 6. https://digital.library.emory.edu/purl/668x95x7gk-cor.
APA, 6th edition
Spencer, T. (1940). Tombstone of Confederate general Barnard Elliott Bee Jr., who was killed at the First Battle of Bull Run, in Pendleton South Carolina (Box 15, Folder 6) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/668x95x7gk-cor.
Chicago
Spencer, Thomas. “Tombstone of Confederate General Barnard Elliott Bee Jr., Who Was Killed at the First Battle of Bull Run, in Pendleton South Carolina.” Black-and-white photographs. Civil War Collection, 1940. Box 15, Folder 6. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/668x95x7gk-cor.