MLA
Lee, Stephen D. (Stephen Dill), 1833-1908. Letter from Stephen Dill Lee (Columbus, Mississippi) to General William E. Mickle (New Orleans, Louisiana), Adjutant General of the United Confederate Veterans organization, regarding United Confederate Veterans business - November 28, 1904. November 28, 1904. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v81f-cor.
APA, 6th edition
Lee, Stephen D. (Stephen Dill), 1833-1908. (November 28, 1904)[Letter from Stephen Dill Lee (Columbus, Mississippi) to General William E. Mickle (New Orleans, Louisiana), Adjutant General of the United Confederate Veterans organization, regarding United Confederate Veterans business - November 28, 1904]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v81f-cor.
Chicago
Lee, Stephen D. (Stephen Dill), 1833-1908, Letter from Stephen Dill Lee (Columbus, Mississippi) to General William E. Mickle (New Orleans, Louisiana), Adjutant General of the United Confederate Veterans organization, regarding United Confederate Veterans business - November 28, 1904, November 28, 1904, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v81f-cor.