APA (7th ed.) Citation

Blatty, W. P. (1971). The exorcist. Bantam Books.

Chicago Style (17th ed.) Citation

Blatty, William Peter. The Exorcist. New York: Bantam Books, 1971.

MLA (9th ed.) Citation

Blatty, William Peter. The Exorcist. Bantam Books, 1971.

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