APA (7th ed.) Citation

Richards, J. C., Hull, J., & Proctor, S. (1999). New interchange: English for international communication 1. Cambridge university press.

Chicago Style (17th ed.) Citation

Richards, Jack C., Jonathan Hull, and Susan Proctor. New Interchange: English for International Communication 1. Cambrigde: Cambridge university press, 1999.

MLA (9th ed.) Citation

Richards, Jack C., et al. New Interchange: English for International Communication 1. Cambridge university press, 1999.