APA Citation

Koenig, C. L., & Oxenden, C. (2013). American English file: Online practice. Oxford: Oxford University Press.

Chicago Style Citation

Koenig, Chistina Latham, and Clive Oxenden. American English File: Online Practice. Oxford: Oxford University Press, 2013.

MLA Citation

Koenig, Chistina Latham, and Clive Oxenden. American English File: Online Practice. Oxford: Oxford University Press, 2013.

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