MLA
Eden, R. C. (Robert C.), -1907. The sword and gun : a history of the 37th Wis. Volunteer Infantry : from its first organization to its final muster out. 1865. Regimental Histories. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/805fbg7f1d-cor.
APA, 6th edition
Eden, R. C. (Robert C.), -1907. (1865)[The sword and gun : a history of the 37th Wis. Volunteer Infantry : from its first organization to its final muster out]. Regimental Histories, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/805fbg7f1d-cor.
Chicago
Eden, R. C. (Robert C.), -1907, The sword and gun : a history of the 37th Wis. Volunteer Infantry : from its first organization to its final muster out, 1865, Regimental Histories, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/805fbg7f1d-cor.