APA (7th ed.) Citation

Cast, P. C., & Cast, K. (2007). Marked. St. Martin's Griffin.

Chicago Style (17th ed.) Citation

Cast, P. C., and Kristin Cast. Marked. New York: St. Martin's Griffin, 2007.

MLA (8th ed.) Citation

Cast, P. C., and Kristin Cast. Marked. St. Martin's Griffin, 2007.