MLA
Jackson, A. Telegram from Mrs. A. Jackson (Columbus) to Confederate General Gideon Pillow - November 17, 1861. 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 4, Folder 2. https://digital.library.emory.edu/purl/129p2ngg29-cor.
APA, 6th edition
Jackson, A. (1861). Telegram from Mrs. A. Jackson (Columbus) to Confederate General Gideon Pillow - November 17, 1861 (Box 4, Folder 2) [Telegrams]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngg29-cor.
Chicago
Jackson, A. “Telegram from Mrs. A. Jackson (Columbus) to Confederate General Gideon Pillow - November 17, 1861.” Telegrams. Civil War Collection, 1861. Box 4, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngg29-cor.