APA (7th ed.) Citation
Miller, G. S., & Wheeler, T. R. (2002). Cracking the TOEFL CBT. Princenton Review.
Chicago Style (17th ed.) Citation
Miller, George S., and Timothy R. Wheeler. Cracking the TOEFL CBT. New York, N.Y.: Princenton Review, 2002.
MLA (9th ed.) Citation
Miller, George S., and Timothy R. Wheeler. Cracking the TOEFL CBT. Princenton Review, 2002.
Warning: These citations may not always be 100% accurate.