APA (7th ed.) Citation

Sharpe, P. J. (2011). Practice exercises for the TOEFL (7th ed.). Barron's.

Chicago Style (17th ed.) Citation

Sharpe, Pamela J. Practice Exercises for the TOEFL. 7th ed. [Hauppauge, N.Y.]: Barron's, 2011.

MLA (8th ed.) Citation

Sharpe, Pamela J. Practice Exercises for the TOEFL. 7th ed. Barron's, 2011.

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