MLA
Chiek, Wade. Letter from Wade Chiek (Petersburg, Virginia) to "Dear Miss Flora," (Winchester, Virginia). Chiek Served in Company B of the 7th Louisiana Infantry Regiment - July 14, 1864 (Photocopy). 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2, Folder 17. https://digital.library.emory.edu/purl/825x69p9c3-cor.
APA, 6th edition
Chiek, W. (1864). Letter from Wade Chiek (Petersburg, Virginia) to "Dear Miss Flora," (Winchester, Virginia). Chiek served in Company B of the 7th Louisiana Infantry Regiment - July 14, 1864 (photocopy) (Box 2, Folder 17) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/825x69p9c3-cor.
Chicago
Chiek, Wade. “Letter from Wade Chiek (Petersburg, Virginia) to ‘Dear Miss Flora," (Winchester, Virginia). Chiek Served in Company B of the 7th Louisiana Infantry Regiment - July 14, 1864 (Photocopy).” Letters (correspondence). Civil War Collection, 1864. Box 2, Folder 17. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/825x69p9c3-cor.