APA (7th ed.) Citation

Wintringham, T. (1940). New ways of war. Penguin Books.

Chicago Style (17th ed.) Citation

Wintringham, Tom. New Ways of War. Harmondsworth, Middlesex, Eng., New York: Penguin Books, 1940.

MLA (8th ed.) Citation

Wintringham, Tom. New Ways of War. Penguin Books, 1940.