MLA
Turpin, Miles, Jr. Letter from Miles Turpin, Jr. (Headquarters 63rd Georgia Infantry Regiment) to William R. Enecks - Feburary 12, 1864. 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 20. https://digital.library.emory.edu/purl/890rr4xhxz-cor.
APA, 6th edition
Turpin, M., Jr. (1864). Letter from Miles Turpin, Jr. (Headquarters 63rd Georgia Infantry Regiment) to William R. Enecks - Feburary 12, 1864 (Box 3, Folder 20) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/890rr4xhxz-cor.
Chicago
Turpin, Miles, Jr. “Letter from Miles Turpin, Jr. (Headquarters 63rd Georgia Infantry Regiment) to William R. Enecks - Feburary 12, 1864.” Letters (correspondence). Civil War Collection, 1864. Box 3, Folder 20. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/890rr4xhxz-cor.