APA (7th ed.) Citation

Richards, J. C., & Numan, D. (1990). Second language teacher education. Cambridge University Press.

Chicago Style (17th ed.) Citation

Richards, Jack C., and David Numan. Second Language Teacher Education. Cambridge: Cambridge University Press, 1990.

MLA (8th ed.) Citation

Richards, Jack C., and David Numan. Second Language Teacher Education. Cambridge University Press, 1990.