MLA
Boutell, Henry S. Diary of Henry S. Boutell from January 1 to May 30, 1865; during This Time He Was a Lieutenant in the 4th Michigan Cavalry, Company C, One of General J. H. Wilson's Raiders from Nashville to Georgia; He Was Present and Wounded at the Capture of Confederate President Jefferson Davis (Photocopy). 1865. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19, Folder 9. https://digital.library.emory.edu/purl/764gmsbdjb-cor.
APA, 6th edition
Boutell, H. S. (1865). Diary of Henry S. Boutell from January 1 to May 30, 1865; during this time he was a Lieutenant in the 4th Michigan Cavalry, Company C, one of General J. H. Wilson's raiders from Nashville to Georgia; he was present and wounded at the capture of Confederate President Jefferson Davis (photocopy) (Box 19, Folder 9) [Diaries]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/764gmsbdjb-cor.
Chicago
Boutell, Henry S. “Diary of Henry S. Boutell from January 1 to May 30, 1865; during This Time He Was a Lieutenant in the 4th Michigan Cavalry, Company C, One of General J. H. Wilson's Raiders from Nashville to Georgia; He Was Present and Wounded at the Capture of Confederate President Jefferson Davis (Photocopy).” Diaries. Civil War Collection, 1865. Box 19, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/764gmsbdjb-cor.