MLA
Fuller, J. V. Letter from J. V. Fuller (Camp near Richmond, Virginia) to His Wife, Elizabeth Fuller, and His Mother, Mary J. Lucus. J. V. Fuller Served in Company C of the 2nd Mississippi Infantry Regiment - June, 1862. 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 29. https://digital.library.emory.edu/purl/218dfn3060-cor.
APA, 6th edition
Fuller, J. V. (1862). Letter from J. V. Fuller (Camp near Richmond, Virginia) to his wife, Elizabeth Fuller, and his mother, Mary J. Lucus. J. V. Fuller served in Company C of the 2nd Mississippi Infantry Regiment - June, 1862 (Box 3, Folder 29) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/218dfn3060-cor.
Chicago
Fuller, J. V. “Letter from J. V. Fuller (Camp near Richmond, Virginia) to His Wife, Elizabeth Fuller, and His Mother, Mary J. Lucus. J. V. Fuller Served in Company C of the 2nd Mississippi Infantry Regiment - June, 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/218dfn3060-cor.