MLA
Randall, James Ryder, 1839-1908. Letter from James Ryder Randall (Wilmington, North Carolina) to General M. C. M. Hammond, with attached letter from Whit T. Taliaferro to General Hammond both relating to procurement of whiskey - September 16, 1863. September 16, 1863. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tns3-cor.
APA, 6th edition
Randall, James Ryder, 1839-1908. (September 16, 1863)[Letter from James Ryder Randall (Wilmington, North Carolina) to General M. C. M. Hammond, with attached letter from Whit T. Taliaferro to General Hammond both relating to procurement of whiskey - September 16, 1863]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tns3-cor.
Chicago
Randall, James Ryder, 1839-1908, Letter from James Ryder Randall (Wilmington, North Carolina) to General M. C. M. Hammond, with attached letter from Whit T. Taliaferro to General Hammond both relating to procurement of whiskey - September 16, 1863, September 16, 1863, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tns3-cor.