APA (7th ed.) Citation

Albion, R. G. (1929). Introduction to military history. The Century Co..

Chicago Style (17th ed.) Citation

Albion, Robert Greenhalgh. Introduction to Military History. New York: The Century Co., 1929.

MLA (9th ed.) Citation

Albion, Robert Greenhalgh. Introduction to Military History. The Century Co., 1929.