APA (7th ed.) Citation

Richards, J. C. (2005). Interchange: Intro student's book (1a. ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Richards, Jack C. Interchange: Intro Student's Book. 1a. ed. Cambridge: Cambridge University Press, 2005.

MLA (9th ed.) Citation

Richards, Jack C. Interchange: Intro Student's Book. 1a. ed. Cambridge University Press, 2005.