APA (7th ed.) Citation

Sharpe, P. J. (2006). Barron's TOEFL iBT: Internet-based test (12th ed.). Barron's.

Chicago Style (17th ed.) Citation

Sharpe, Pamela J. Barron's TOEFL IBT: Internet-based Test. 12th ed. Hauppauge, N.Y.: Barron's, 2006.

MLA (9th ed.) Citation

Sharpe, Pamela J. Barron's TOEFL IBT: Internet-based Test. 12th ed. Barron's, 2006.