Cita APA (7a ed.)

Latham-Koenig,Christina, & Oxenden,Clive. (2014). English File: Upper-intermediate Student's Book. Oxford University Press.

Cita Chicago Style (17a ed.)

Latham-Koenig,Christina, y Oxenden,Clive. English File: Upper-intermediate Student's Book. Oxford University Press, 2014.

Cita MLA (8a ed.)

Latham-Koenig,Christina, y Oxenden,Clive. English File: Upper-intermediate Student's Book. Oxford University Press, 2014.