MLA
A Leave of Absence Granted to John Burk from the Confederate Armory of Macon, Georgia, Signed by F. B. DuBarry. 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 43. https://digital.library.emory.edu/purl/965v6wwqzn-cor.
APA, 6th edition
A leave of absence granted to John Burk from the Confederate Armory of Macon, Georgia, signed by F. B. DuBarry (Box 1, Folder 43). (1863). [Documents (object genre)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwqzn-cor.
Chicago
“A Leave of Absence Granted to John Burk from the Confederate Armory of Macon, Georgia, Signed by F. B. DuBarry.” Documents (object genre). Civil War Collection, 1863. Box 1, Folder 43. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwqzn-cor.