MLA
Spencer, Thomas. Chinn House Foundation at Bull Run (Manassas) Battlefield (Prince William County, Virginia). Location Where William Thomas Overby Was Injured. 1930. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 9, Folder 20. https://digital.library.emory.edu/purl/1913n5tc61-cor.
APA, 6th edition
Spencer, T. (1930). Chinn House foundation at Bull Run (Manassas) Battlefield (Prince William County, Virginia). Location where William Thomas Overby was injured (Box 9, Folder 20) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tc61-cor.
Chicago
Spencer, Thomas. “Chinn House Foundation at Bull Run (Manassas) Battlefield (Prince William County, Virginia). Location Where William Thomas Overby Was Injured.” Black-and-white photographs. Civil War Collection, 1930. Box 9, Folder 20. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tc61-cor.