APA (7th ed.) Citation

Peter Blatty,William. The Exorcist. Transworld.

Chicago Style (17th ed.) Citation

Peter Blatty,William. The Exorcist. London: Transworld.

MLA (9th ed.) Citation

Peter Blatty,William. The Exorcist. Transworld.

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