MLA
Tuttle, C. M. Letter from C. M. Tuttle to Almira Hiles - January 12, 1856 (Photocopy). 1856. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19, Folder 35. https://digital.library.emory.edu/purl/412z34tnw4-cor.
APA, 6th edition
Tuttle, C. M. (1856). Letter from C. M. Tuttle to Almira Hiles - January 12, 1856 (photocopy) (Box 19, Folder 35) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tnw4-cor.
Chicago
Tuttle, C. M. “Letter from C. M. Tuttle to Almira Hiles - January 12, 1856 (Photocopy).” Letters (correspondence). Civil War Collection, 1856. Box 19, Folder 35. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tnw4-cor.