MLA
Lawrence, W. H. Letter from W. H. Lawrence (near Rome, Georgia) to His Wife. Lawrence Served in Company K of the 8th Alabama Calvary Regiment. The Letter Discusses Family Financial Matters as Well as the Regiment's Planned Attack on Rome, Georgia - October 9, 1864. 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 4, Folder 39. https://digital.library.emory.edu/purl/146qz613kh-cor.
APA, 6th edition
Lawrence, W. H. (1864). Letter from W. H. Lawrence (near Rome, Georgia) to his wife. Lawrence served in Company K of the 8th Alabama Calvary Regiment. The letter discusses family financial matters as well as the regiment's planned attack on Rome, Georgia - October 9, 1864 (Box 4, Folder 39) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/146qz613kh-cor.
Chicago
Lawrence, W. H. “Letter from W. H. Lawrence (near Rome, Georgia) to His Wife. Lawrence Served in Company K of the 8th Alabama Calvary Regiment. The Letter Discusses Family Financial Matters as Well as the Regiment's Planned Attack on Rome, Georgia - October 9, 1864.” Letters (correspondence). Civil War Collection, 1864. Box 4, Folder 39. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/146qz613kh-cor.