Cita APA

Oxenden, C., Koenig, C. L., & Seligson, P. (2008). American English File: MultiPACK 2A. Oxford: Oxford Univ. Press.

Citación estilo Chicago

Oxenden, Clive, Christina Latham Koenig, y Paul Seligson. American English File: MultiPACK 2A. Oxford: Oxford Univ. Press, 2008.

Cita MLA

Oxenden, Clive, Christina Latham Koenig, y Paul Seligson. American English File: MultiPACK 2A. Oxford: Oxford Univ. Press, 2008.