APA Citation

Oxenden, C., & Koenig, C. L. (2001). English file: Upper-Intermediate workbook. Oxford: Oxford Univ. Press.

Chicago Style Citation

Oxenden, Clive, and Christina Latham Koenig. English File: Upper-Intermediate Workbook. Oxford: Oxford Univ. Press, 2001.

MLA Citation

Oxenden, Clive, and Christina Latham Koenig. English File: Upper-Intermediate Workbook. Oxford: Oxford Univ. Press, 2001.

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