MLA
Hampton, Ephraim. Letter from Ephraim Hampton (Lenoir's Station, Tennessee) to His Wife and Children. Ephraim Served in the Company C of the 45th Virginia Infantry Regiment until He Was Transferred to Company G of the 65th Virginia Infantry Regiment - August 29, 1863. 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 48. https://digital.library.emory.edu/purl/733rv15fw4-cor.
APA, 6th edition
Hampton, E. (1863). Letter from Ephraim Hampton (Lenoir's Station, Tennessee) to his wife and children. Ephraim served in the Company C of the 45th Virginia Infantry Regiment until he was transferred to Company G of the 65th Virginia Infantry Regiment - August 29, 1863 (Box 3, Folder 48) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/733rv15fw4-cor.
Chicago
Hampton, Ephraim. “Letter from Ephraim Hampton (Lenoir's Station, Tennessee) to His Wife and Children. Ephraim Served in the Company C of the 45th Virginia Infantry Regiment until He Was Transferred to Company G of the 65th Virginia Infantry Regiment - August 29, 1863.” Letters (correspondence). Civil War Collection, 1863. Box 3, Folder 48. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/733rv15fw4-cor.