MLA
Fredricks, Charles DeForest, 1823-1894. Confederate general Pierre Gustave Toutant-Beauregard. 1862?/1880?. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/146qz6137c-cor.
APA, 6th edition
Fredricks, Charles DeForest, 1823-1894. (1862?/1880?)[Confederate general Pierre Gustave Toutant-Beauregard]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/146qz6137c-cor.
Chicago
Fredricks, Charles DeForest, 1823-1894, Confederate general Pierre Gustave Toutant-Beauregard, 1862?/1880?, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/146qz6137c-cor.