MLA
Wells, T. J. Letter from T. J. Wells (Camp near Rome Georgia) to His Wife. In the Letter, Wells Fears That Union General William Rosecrans Will Recieve Reinforncements While Confederate General Braxton Bragg Will Not during the Chattanooga Campaign. 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 18. https://digital.library.emory.edu/purl/2257d7wn62-cor.
APA, 6th edition
Wells, T. J. (1863). Letter from T. J. Wells (Camp near Rome Georgia) to his wife. In the letter, Wells fears that Union General William Rosecrans will recieve reinforncements while Confederate General Braxton Bragg will not during the Chattanooga campaign (Box 7, Folder 18) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2257d7wn62-cor.
Chicago
Wells, T. J. “Letter from T. J. Wells (Camp near Rome Georgia) to His Wife. In the Letter, Wells Fears That Union General William Rosecrans Will Recieve Reinforncements While Confederate General Braxton Bragg Will Not during the Chattanooga Campaign.” Letters (correspondence). Civil War Collection, 1863. Box 7, Folder 18. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2257d7wn62-cor.