APA (7th ed.) Citation

Lutz, R. H. (1969). Fall of the German Empire, 1914-1918. Octagon Books.

Chicago Style (17th ed.) Citation

Lutz, Ralph Haswell. Fall of the German Empire, 1914-1918. New York: Octagon Books, 1969.

MLA (9th ed.) Citation

Lutz, Ralph Haswell. Fall of the German Empire, 1914-1918. Octagon Books, 1969.