APA Style

Gear, J., Gear, R. (). Cambridge preparation for the toefl test: fourth edition [CD ROM] (Ed. 4). [s.l.]: Cambridge University Press.

MLA Style

Gear, Jolene., Gear, Robert. "Cambridge preparation for the toefl test: fourth edition [CD ROM]". Ed. 4 [s.l.]: Cambridge University Press, . Sound Recording.