MLA
Request for Leave of Absence Made by Private Wade [Last Name Unknown], A Troop, 5th Georgia Cavalry, Camp Davant, Signed by Capt. W.A. Wittburger. 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 6. https://digital.library.emory.edu/purl/4881jwsvrh-cor.
APA, 6th edition
Request for leave of absence made by Private Wade [last name unknown], A Troop, 5th Georgia Cavalry, Camp Davant, signed by Capt. W.A. Wittburger (Box 7, Folder 6). (1863). [Documents (object genre)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4881jwsvrh-cor.
Chicago
“Request for Leave of Absence Made by Private Wade [Last Name Unknown], A Troop, 5th Georgia Cavalry, Camp Davant, Signed by Capt. W.A. Wittburger.” Documents (object genre). Civil War Collection, 1863. Box 7, Folder 6. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4881jwsvrh-cor.