APA (7th ed.) Citation
Oxenden, C. English file: Workbook (16a. ed.).
Chicago Style (17th ed.) Citation
Oxenden, Clive. English File: Workbook. 16a. ed.
MLA (9th ed.) Citation
Oxenden, Clive. English File: Workbook. 16a. ed.
Warning: These citations may not always be 100% accurate.