Cita APA (7a ed.)

Gear J. Jolene & Gear R. Robert. (2010). Cambridge Preparation for the TOEFL Test (Fourth Edition.). Cambridge, Cambridge University Press, 2010.

Cita Chicago Style (17a ed.)

Gear J. Jolene y Gear R. Robert. Cambridge Preparation for the TOEFL Test. Fourth Edition. Cambridge, Cambridge University Press, 2010, 2010.

Cita MLA (9a ed.)

Gear J. Jolene y Gear R. Robert. Cambridge Preparation for the TOEFL Test. Fourth Edition. Cambridge, Cambridge University Press, 2010, 2010.