MLA
Andrews, C. W. (Charles Wesley), 1807-1875. Our war, our cause, and our duty : addressed to the Confederate soldiers.. 1861. Civil War Imprints. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9117m0ck1k-cor.
APA, 6th edition
Andrews, C. W. (Charles Wesley), 1807-1875. (1861)[Our war, our cause, and our duty : addressed to the Confederate soldiers.]. Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9117m0ck1k-cor.
Chicago
Andrews, C. W. (Charles Wesley), 1807-1875, Our war, our cause, and our duty : addressed to the Confederate soldiers., 1861, Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9117m0ck1k-cor.