APA (7th ed.) Citation

Luce, C. B. (1949). The twilight of God. H. Regnery Co..

Chicago Style (17th ed.) Citation

Luce, Clare Boothe. The Twilight of God. Chicago, Ill.: H. Regnery Co., 1949.

MLA (8th ed.) Citation

Luce, Clare Boothe. The Twilight of God. H. Regnery Co., 1949.