MLA
Smith, Sydney K. (Sydney Kerr), 1850-. Life, army record, and public services of D. Howard Smith. 1890. Regimental Histories. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0515mkm1jp-cor.
APA, 6th edition
Smith, Sydney K. (Sydney Kerr), 1850-. (1890)[Life, army record, and public services of D. Howard Smith]. Regimental Histories, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0515mkm1jp-cor.
Chicago
Smith, Sydney K. (Sydney Kerr), 1850-, Life, army record, and public services of D. Howard Smith, 1890, Regimental Histories, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0515mkm1jp-cor.