MLA
Spencer, Thomas. Trains on Their Way to "Graveyard" in Greensboro, North Carolina. 1960. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 5. https://digital.library.emory.edu/purl/883xsj3w2n-cor.
APA, 6th edition
Spencer, T. (1960). Trains on their way to "graveyard" in Greensboro, North Carolina (Box 15, Folder 5) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/883xsj3w2n-cor.
Chicago
Spencer, Thomas. “Trains on Their Way to ‘Graveyard’ in Greensboro, North Carolina.” Black-and-white photographs. Civil War Collection, 1960. Box 15, Folder 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/883xsj3w2n-cor.