APA (7th ed.) Citation

Kohn, H. (1957). The twentieth century: The challenge to the West and its response (New and enl. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Kohn, Hans. The Twentieth Century: The Challenge to the West and Its Response. New and enl. ed. New York: Macmillan, 1957.

MLA (9th ed.) Citation

Kohn, Hans. The Twentieth Century: The Challenge to the West and Its Response. New and enl. ed. Macmillan, 1957.