APA (7th ed.) Citation

Sharpe, P. J. (2007). Barron's practice exercises for the TOEFL: Test of English as a foreign language (6th ed.). Barron's Educational Series, Inc.

Chicago Style (17th ed.) Citation

Sharpe, Pamela J. Barron's Practice Exercises for the TOEFL: Test of English as a Foreign Language. 6th ed. Hauppauge, N.Y: Barron's Educational Series, Inc, 2007.

MLA (9th ed.) Citation

Sharpe, Pamela J. Barron's Practice Exercises for the TOEFL: Test of English as a Foreign Language. 6th ed. Barron's Educational Series, Inc, 2007.

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