APA (7th ed.) Citation

Richards, J. C. (1999). The language teaching matrix (1st ed., 7th printing.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Richards, Jack C. The Language Teaching Matrix. 1st ed., 7th printing. Cambridge [etc.]: Cambridge University Press, 1999.

MLA (9th ed.) Citation

Richards, Jack C. The Language Teaching Matrix. 1st ed., 7th printing. Cambridge University Press, 1999.