APA (7th ed.) Citation
Oxenden, C., LathamKoenig, C., & Seligson, P. (2004). New English file: Elementary student's book. Oxford University press.
Chicago Style (17th ed.) Citation
Oxenden, Clive, Christina LathamKoenig, and Paul Seligson. New English File: Elementary Student's Book. Oxford: Oxford University press, 2004.
MLA (9th ed.) Citation
Oxenden, Clive, et al. New English File: Elementary Student's Book. Oxford University press, 2004.
Warning: These citations may not always be 100% accurate.