MLA
Spencer, Thomas. Memorial for Unknown Confederate Dead Who Fell in the Battle of Jonesboro between August 31 and September 11 1864, in Jonesboro, Georgia. 1934. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 1. https://digital.library.emory.edu/purl/965v6wwr2b-cor.
APA, 6th edition
Spencer, T. (1934). Memorial for unknown Confederate dead who fell in the Battle of Jonesboro between August 31 and September 11 1864, in Jonesboro, Georgia (Box 15, Folder 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwr2b-cor.
Chicago
Spencer, Thomas. “Memorial for Unknown Confederate Dead Who Fell in the Battle of Jonesboro between August 31 and September 11 1864, in Jonesboro, Georgia.” Black-and-white photographs. Civil War Collection, 1934. Box 15, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwr2b-cor.