APA (7th ed.) Citation

(2006). Cracking the TOEFL iBT. The Princeton Review Inc..

Chicago Style (17th ed.) Citation

Cracking the TOEFL IBT. USA: The Princeton Review Inc., 2006.

MLA (9th ed.) Citation

Cracking the TOEFL IBT. The Princeton Review Inc., 2006.

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