MLA
Sherman, William T. (William Tecumseh), 1820-1891. Union general William Tecumseh Sherman's address to his army - May 30, 1865 (photocopy). May 30, 1865. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m91bg-cor.
APA, 6th edition
Sherman, William T. (William Tecumseh), 1820-1891. (May 30, 1865)[Union general William Tecumseh Sherman's address to his army - May 30, 1865 (photocopy)]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m91bg-cor.
Chicago
Sherman, William T. (William Tecumseh), 1820-1891, Union general William Tecumseh Sherman's address to his army - May 30, 1865 (photocopy), May 30, 1865, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m91bg-cor.