APA (7th ed.) Citation

Richards, J. C., Hull, J., & Proctor, S. (2013). Interchange: Teacher's edition 1 (Fourth edition.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Richards, Jack C., Jonathan Hull, and Susan Proctor. Interchange: Teacher's Edition 1. Fourth edition. Cambridge: Cambridge University Press, 2013.

MLA (9th ed.) Citation

Richards, Jack C., et al. Interchange: Teacher's Edition 1. Fourth edition. Cambridge University Press, 2013.