MLA
Rane, A. H. Letter from A. H. Rane (Chicago, Illinois) to Reubin Satterfield (Cartersville, Georgia) Regarding John Satterfield's Location - October 29, 1865. 1865. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 12. https://digital.library.emory.edu/purl/3655dv42b5-cor.
APA, 6th edition
Rane, A. H. (1865). Letter from A. H. Rane (Chicago, Illinois) to Reubin Satterfield (Cartersville, Georgia) regarding John Satterfield's location - October 29, 1865 (Box 6, Folder 12) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3655dv42b5-cor.
Chicago
Rane, A. H. “Letter from A. H. Rane (Chicago, Illinois) to Reubin Satterfield (Cartersville, Georgia) Regarding John Satterfield's Location - October 29, 1865.” Letters (correspondence). Civil War Collection, 1865. Box 6, Folder 12. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3655dv42b5-cor.