APA (7th ed.) Citation

Richards, C., Carpenter, J., & Hill, D. (1979). Halloween: A novel. Bantam.

Chicago Style (17th ed.) Citation

Richards, Curtis, John Carpenter, and Debra Hill. Halloween: A Novel. New York: Bantam, 1979.

MLA (8th ed.) Citation

Richards, Curtis, et al. Halloween: A Novel. Bantam, 1979.