MLA
Fuller, William Allen. Letter from William Allen Fuller to Anthony Murphy about Andrew's Raid (April 4, 1862) - October 8, 1895 (Typescript). 1895. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8, Folder 3. https://digital.library.emory.edu/purl/163stqjqqx-cor.
APA, 6th edition
Fuller, W. A. (1895). Letter from William Allen Fuller to Anthony Murphy about Andrew's Raid (April 4, 1862) - October 8, 1895 (typescript) (Box 8, Folder 3) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/163stqjqqx-cor.
Chicago
Fuller, William Allen. “Letter from William Allen Fuller to Anthony Murphy about Andrew's Raid (April 4, 1862) - October 8, 1895 (Typescript).” Letters (correspondence). Civil War Collection, 1895. Box 8, Folder 3. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/163stqjqqx-cor.