MLA
Hardee, William Joseph, 1815-1873. Rifle and light infantry tactics : for the exercise and manoeuvres of troops when acting as light infantry or riflemen. 1861. Civil War Imprints. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/40644j135v-cor.
APA, 6th edition
Hardee, William Joseph, 1815-1873. (1861)[Rifle and light infantry tactics : for the exercise and manoeuvres of troops when acting as light infantry or riflemen]. Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/40644j135v-cor.
Chicago
Hardee, William Joseph, 1815-1873, Rifle and light infantry tactics : for the exercise and manoeuvres of troops when acting as light infantry or riflemen, 1861, Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/40644j135v-cor.