APA (7th ed.) Citation

Freund, R. (1937). Zero hour: Policies of the powers. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Freund, Richard. Zero Hour: Policies of the Powers. New York: Oxford Univ. Press, 1937.

MLA (9th ed.) Citation

Freund, Richard. Zero Hour: Policies of the Powers. Oxford Univ. Press, 1937.