MLA
Banning, James W. Letter from James W. Banning (James Island, South Carolina), to Mrs. James Rowe, Reporting That Her Husband Has Gone to Ft. Sumter - August 27, 1863. 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 18. https://digital.library.emory.edu/purl/310jsxktmq-cor.
APA, 6th edition
Banning, J. W. (1863). Letter from James W. Banning (James Island, South Carolina), to Mrs. James Rowe, reporting that her husband has gone to Ft. Sumter - August 27, 1863 (Box 1, Folder 18) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/310jsxktmq-cor.
Chicago
Banning, James W. “Letter from James W. Banning (James Island, South Carolina), to Mrs. James Rowe, Reporting That Her Husband Has Gone to Ft. Sumter - August 27, 1863.” Letters (correspondence). Civil War Collection, 1863. Box 1, Folder 18. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/310jsxktmq-cor.