MLA
Lieber, Francis, 1800-1872. Lincoln oder McClellan? : Aufruf an die Deutschen in Amerika. 1864. Civil War Imprints. Emory University. General Libraries. https://digital.library.emory.edu/purl/392g79crvv-cor.
APA, 6th edition
Lieber, Francis, 1800-1872. (1864)[Lincoln oder McClellan? : Aufruf an die Deutschen in Amerika]. Civil War Imprints, Emory University. General Libraries. https://digital.library.emory.edu/purl/392g79crvv-cor.
Chicago
Lieber, Francis, 1800-1872, Lincoln oder McClellan? : Aufruf an die Deutschen in Amerika, 1864, Civil War Imprints, Emory University. General Libraries. https://digital.library.emory.edu/purl/392g79crvv-cor.