MLA
Burroughs, William Berrien. A Pencil Draft of a Letter from William Berrien Burroughs to Dr. Thornwell Jacobs., Concerned with the Laying of the Cornerstone of the New Oglethorpe University - January 19, 1915. 1915. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 46. https://digital.library.emory.edu/purl/931qfttfzp-cor.
APA, 6th edition
Burroughs, W. B. (1915). A pencil draft of a Letter from William Berrien Burroughs to Dr. Thornwell Jacobs., concerned with the laying of the cornerstone of the new Oglethorpe University - January 19, 1915 (Box 1, Folder 46) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/931qfttfzp-cor.
Chicago
Burroughs, William Berrien. “A Pencil Draft of a Letter from William Berrien Burroughs to Dr. Thornwell Jacobs., Concerned with the Laying of the Cornerstone of the New Oglethorpe University - January 19, 1915.” Letters (correspondence). Civil War Collection, 1915. Box 1, Folder 46. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/931qfttfzp-cor.