The principles of war
MLA
Foch, Ferdinand. The Principles of War. New York: H. Holt and company, 1920
APA, 7th edition
Foch, F. (1920). The principles of war. New York: H. Holt and company
Chicago, 17th edition
Foch, Ferdinand. The principles of war. New York: H. Holt and company, 1920