APA (7th ed.) Citation

Gear, J., & Gear, R. (2006). Cambridge preparation for the TOEFL test (4th ed.; Version 1.0a.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Gear, Jolene, and Robert Gear. Cambridge Preparation for the TOEFL Test. 4th ed.; Version 1.0a. [New York]: Cambridge University Press, 2006.

MLA (9th ed.) Citation

Gear, Jolene, and Robert Gear. Cambridge Preparation for the TOEFL Test. 4th ed.; Version 1.0a. Cambridge University Press, 2006.