MLA
Walden, Charles Robert. Diary of Charles Robert Walden (Talladega, Alabama), Covering September 1863 to May 1864. Walden Served in the Washington Battalion of the Louisiana Artillery and Mainly Writes from around the Vicinity of Petersburg, Virginia until His Death in May 1864 (Typescript). 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 7. https://digital.library.emory.edu/purl/559q2bvr9f-cor.
APA, 6th edition
Walden, C. R. (1863). Diary of Charles Robert Walden (Talladega, Alabama), covering September 1863 to May 1864. Walden served in the Washington Battalion of the Louisiana Artillery and mainly writes from around the vicinity of Petersburg, Virginia until his death in May 1864 (typescript) (Box 7, Folder 7) [Diaries]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/559q2bvr9f-cor.
Chicago
Walden, Charles Robert. “Diary of Charles Robert Walden (Talladega, Alabama), Covering September 1863 to May 1864. Walden Served in the Washington Battalion of the Louisiana Artillery and Mainly Writes from around the Vicinity of Petersburg, Virginia until His Death in May 1864 (Typescript).” Diaries. Civil War Collection, 1863. Box 7, Folder 7. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/559q2bvr9f-cor.