APA (7th ed.) Citation

Richards, J. C. (1995). Interchange: English for international communication. Intro Workbook. Cambridge University Press.

Chicago Style (17th ed.) Citation

Richards, Jack C. Interchange: English for International Communication. Intro Workbook. Nueva York: Cambridge University Press, 1995.

MLA (9th ed.) Citation

Richards, Jack C. Interchange: English for International Communication. Intro Workbook. Cambridge University Press, 1995.