MLA
Spencer, Thomas. Tombstone of George Jefferson Edgins at Moshat Cemetery in Centre, Alabama. Edgins Was Allegedly the Member of the Artillery Battery That Fired the First Shot upon Fort Sumter, Starting the Civil War. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 14, Folder 1. https://digital.library.emory.edu/purl/2085hqc0qq-cor.
APA, 6th edition
Spencer, T. (1940). Tombstone of George Jefferson Edgins at Moshat cemetery in Centre, Alabama. Edgins was allegedly the member of the artillery battery that fired the first shot upon Fort Sumter, starting the Civil War (Box 14, Folder 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqc0qq-cor.
Chicago
Spencer, Thomas. “Tombstone of George Jefferson Edgins at Moshat Cemetery in Centre, Alabama. Edgins Was Allegedly the Member of the Artillery Battery That Fired the First Shot upon Fort Sumter, Starting the Civil War.” Black-and-white photographs. Civil War Collection, 1940. Box 14, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqc0qq-cor.