APA (7th ed.) Citation

Richards, J. C., Hull, J., & Proctor, S. (1997). Interchange: English for international communication ; student's book 2. Cambridge university press.

Chicago Style (17th ed.) Citation

Richards, Jack C., Jonathan Hull, and Susan Proctor. Interchange: English for International Communication ; Student's Book 2. New York: Cambridge university press, 1997.

MLA (9th ed.) Citation

Richards, Jack C., et al. Interchange: English for International Communication ; Student's Book 2. Cambridge university press, 1997.