APA (7th ed.) Citation

Patterson, J., & Roughan, H. (2007). You've been warned: A novel. Grand Central Pub.

Chicago Style (17th ed.) Citation

Patterson, James, and Howard Roughan. You've Been Warned: A Novel. New York: Grand Central Pub, 2007.

MLA (9th ed.) Citation

Patterson, James, and Howard Roughan. You've Been Warned: A Novel. Grand Central Pub, 2007.