MLA
Fowler, John M. Army Supply Requisition Signed by John W. Fowler to R. K. Holliday, 7th Georgia Infantry Regiment - January 5, 1862. 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 27. https://digital.library.emory.edu/purl/2085hqc0mz-cor.
APA, 6th edition
Fowler, J. M. (1862). Army supply requisition signed by John W. Fowler to R. K. Holliday, 7th Georgia Infantry Regiment - January 5, 1862 (Box 3, Folder 27) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqc0mz-cor.
Chicago
Fowler, John M. “Army Supply Requisition Signed by John W. Fowler to R. K. Holliday, 7th Georgia Infantry Regiment - January 5, 1862.” Letters (correspondence). Civil War Collection, 1862. Box 3, Folder 27. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqc0mz-cor.