APA (7th ed.) Citation

Kohn, H. (1942). World order in historical perspective. Harvard University Press.

Chicago Style (17th ed.) Citation

Kohn, Hans. World Order in Historical Perspective. Cambridge, Mass.: Harvard University Press, 1942.

MLA (9th ed.) Citation

Kohn, Hans. World Order in Historical Perspective. Harvard University Press, 1942.

Warning: These citations may not always be 100% accurate.