MLA
Fuller, J. V. Letter from J. V. Fuller (Richmond, Virginia) to His Wife, Elizabeth Fuller. J. V. Fuller Served in Company C of the 2nd Mississippi Infantry Regiment - May 26, 1862. 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 29. https://digital.library.emory.edu/purl/9182jm64zn-cor.
APA, 6th edition
Fuller, J. V. (1862). Letter from J. V. Fuller (Richmond, Virginia) to his wife, Elizabeth Fuller. J. V. Fuller served in Company C of the 2nd Mississippi Infantry Regiment - May 26, 1862 (Box 3, Folder 29) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9182jm64zn-cor.
Chicago
Fuller, J. V. “Letter from J. V. Fuller (Richmond, Virginia) to His Wife, Elizabeth Fuller. J. V. Fuller Served in Company C of the 2nd Mississippi Infantry Regiment - May 26, 1862.” Letters (correspondence). Civil War Collection, 1862. Box 3, Folder 29. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9182jm64zn-cor.