APA (7th ed.) Citation

Rougemont, D. d. (1966). The idea of Europe. Macmillan.

Chicago Style (17th ed.) Citation

Rougemont, Denis de. The Idea of Europe. N.Y.: Macmillan, 1966.

MLA (9th ed.) Citation

Rougemont, Denis de. The Idea of Europe. Macmillan, 1966.