MLA
Hardee, William Joseph, 1815-1873. Rifle and infantry tactics. XXXX. Civil War Imprints. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3246q5777j-cor.
APA, 6th edition
Hardee, William Joseph, 1815-1873. (XXXX)[Rifle and infantry tactics, 3rd edition.]. Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3246q5777j-cor.
Chicago
Hardee, William Joseph, 1815-1873, Rifle and infantry tactics, XXXX, Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3246q5777j-cor.