APA Citation

Douglas Pierce, S. K. (2008). Cracking the TOEFL iBT. Princeton Review.

Chicago Style Citation

Douglas Pierce, Sean Kinsell. Cracking the TOEFL IBT. Princeton Review, 2008.

MLA Citation

Douglas Pierce, Sean Kinsell. Cracking the TOEFL IBT. Princeton Review, 2008.

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