APA (7th ed.) Citation

Richards, J. C., & Schmidt, R. W. (1983). Language and communication. Longman.

Chicago Style (17th ed.) Citation

Richards, Jack C., and Richard W. Schmidt. Language and Communication. Londres: Longman, 1983.

MLA (9th ed.) Citation

Richards, Jack C., and Richard W. Schmidt. Language and Communication. Longman, 1983.