APA Style

Sharpe, P, J. (2007). Practice exercises for the TOEFL (test of english as a foreign language) 6th ed. (ed.6). New York: Barron.

MLA Style

Sharpe, Pamela, J.. "Practice exercises for the TOEFL (test of english as a foreign language) 6th ed.". ed.6 New York: Barron, 2007. Text.