APA (7th ed.) Citation

Oxenden, C., & Latham-Koenig,Christina. (2008). American English file MultiPack 4B. Oxford University Press.

Chicago Style (17th ed.) Citation

Oxenden, Clive, and Latham-Koenig,Christina. American English File MultiPack 4B. Oxford University Press, 2008.

MLA (8th ed.) Citation

Oxenden, Clive, and Latham-Koenig,Christina. American English File MultiPack 4B. Oxford University Press, 2008.

Warning: These citations may not always be 100% accurate.