APA (7th ed.) Citation

Travers, P., & Reiff, S. (1974). The story behind The Exorcist. Crown Publishers.

Chicago Style (17th ed.) Citation

Travers, Peter, and Stephanie Reiff. The Story Behind The Exorcist. New York: Crown Publishers, 1974.

MLA (9th ed.) Citation

Travers, Peter, and Stephanie Reiff. The Story Behind The Exorcist. Crown Publishers, 1974.