MLA
Beasley, James Albert. Letter Written by James Albert Beasley (Lovejoy Station), While He Was in the Confederate Army. James Albert Beasley Served with the 63rd Georgia Infantry, Company A - September 4, 1864 (Typescript). 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 24. https://digital.library.emory.edu/purl/378tb2rcng-cor.
APA, 6th edition
Beasley, J. A. (1864). Letter written by James Albert Beasley (Lovejoy Station), while he was in the Confederate Army. James Albert Beasley served with the 63rd Georgia Infantry, Company A - September 4, 1864 (typescript) (Box 1, Folder 24) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/378tb2rcng-cor.
Chicago
Beasley, James Albert. “Letter Written by James Albert Beasley (Lovejoy Station), While He Was in the Confederate Army. James Albert Beasley Served with the 63rd Georgia Infantry, Company A - September 4, 1864 (Typescript).” Letters (correspondence). Civil War Collection, 1864. Box 1, Folder 24. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/378tb2rcng-cor.