APA (7th ed.) Citation

Oxenden, C. C., & Latham-Koenig, C. C. (1997). New English file: Upper-intermediate student's book. Oxford University Press.

Chicago Style (17th ed.) Citation

Oxenden, C. Clive, and C. Christina Latham-Koenig. New English File: Upper-intermediate Student's Book. S.l: Oxford University Press, 1997.

MLA (8th ed.) Citation

Oxenden, C. Clive, and C. Christina Latham-Koenig. New English File: Upper-intermediate Student's Book. Oxford University Press, 1997.