MLA
Letter from an Unknown Soldier (Skinker's Neck, Virginia) to "Dear Brother" - March 1, 1862. 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 78. https://digital.library.emory.edu/purl/6558cz8x0d-cor.
APA, 6th edition
Letter from an unknown soldier (Skinker's Neck, Virginia) to "Dear Brother" - March 1, 1862 (Box 6, Folder 78). (1862). [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6558cz8x0d-cor.
Chicago
“Letter from an Unknown Soldier (Skinker's Neck, Virginia) to ‘Dear Brother’ - March 1, 1862.” Letters (correspondence). Civil War Collection, 1862. Box 6, Folder 78. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6558cz8x0d-cor.