APA (7th ed.) Citation

Richards, J. C., & Schmidt, R. W. (2002). Longman dictionary of language teaching and applied linguistics (3rd ed.). Longman.

Chicago Style (17th ed.) Citation

Richards, Jack C., and Richard W. Schmidt. Longman Dictionary of Language Teaching and Applied Linguistics. 3rd ed. London: Longman, 2002.

MLA (9th ed.) Citation

Richards, Jack C., and Richard W. Schmidt. Longman Dictionary of Language Teaching and Applied Linguistics. 3rd ed. Longman, 2002.