MLA
Taliaferro, H. D. Farmville General Hospital (Virginia); Letter from H. D. Taliaferro to J. L. White Regarding Timely Dressing of Wounds by Medical Officers - April 17, 1865. 1865. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 23. https://digital.library.emory.edu/purl/7719kd52ct-cor.
APA, 6th edition
Taliaferro, H. D. (1865). Farmville General Hospital (Virginia); Letter from H. D. Taliaferro to J. L. White regarding timely dressing of wounds by medical officers - April 17, 1865 (Box 3, Folder 23) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7719kd52ct-cor.
Chicago
Taliaferro, H. D. “Farmville General Hospital (Virginia); Letter from H. D. Taliaferro to J. L. White Regarding Timely Dressing of Wounds by Medical Officers - April 17, 1865.” Letters (correspondence). Civil War Collection, 1865. Box 3, Folder 23. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7719kd52ct-cor.