APA (7th ed.) Citation
Richards, J. C. (2002). Changes: English for international communication. Cambridge university press.
Chicago Style (17th ed.) Citation
Richards, Jack C. Changes: English for International Communication. Cambridge: Cambridge university press, 2002.
MLA (9th ed.) Citation
Richards, Jack C. Changes: English for International Communication. Cambridge university press, 2002.
Warning: These citations may not always be 100% accurate.