APA (7th ed.) Citation

Oxenden, C., & Seligson, P. (2000). English file 1: Class audio CDs. Oxford University Press.

Chicago Style (17th ed.) Citation

Oxenden, Clive, and Paul Seligson. English File 1: Class Audio CDs. Oxford: Oxford University Press, 2000.

MLA (9th ed.) Citation

Oxenden, Clive, and Paul Seligson. English File 1: Class Audio CDs. Oxford University Press, 2000.