APA (7th ed.) Citation

Kohn, H. (1937). Force or reason: Issues of the twentieth century. Harvard University Press.

Chicago Style (17th ed.) Citation

Kohn, Hans. Force or Reason: Issues of the Twentieth Century. Cambridge, Mass.: Harvard University Press, 1937.

MLA (8th ed.) Citation

Kohn, Hans. Force or Reason: Issues of the Twentieth Century. Harvard University Press, 1937.