APA (7th ed.) Citation

(2008). Cracking the TOEFL iBT [. The Princeton Review.

Chicago Style (17th ed.) Citation

Cracking the TOEFL IBT [. New York: The Princeton Review, 2008.

MLA (9th ed.) Citation

Cracking the TOEFL IBT [. The Princeton Review, 2008.

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