APA (7th ed.) Citation

Oxenden, C., & Latham-Koenig, C. (1997). New english file. Oxford University press.

Chicago Style (17th ed.) Citation

Oxenden, Clive, and Christina Latham-Koenig. New English File. London: Oxford University press, 1997.

MLA (9th ed.) Citation

Oxenden, Clive, and Christina Latham-Koenig. New English File. Oxford University press, 1997.