MLA
Smith, Henry Wright, 1828-. Union general Nathaniel P. Banks. 1861?/1880?. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/566j0zpddv-cor.
APA, 6th edition
Smith, Henry Wright, 1828-. (1861?/1880?)[Union general Nathaniel P. Banks]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/566j0zpddv-cor.
Chicago
Smith, Henry Wright, 1828-, Union general Nathaniel P. Banks, 1861?/1880?, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/566j0zpddv-cor.