APA (7th ed.) Citation

Richards, J. C., & Oller, J. W. (1973). Focus on the learner: Pragmatic perspectives for the language teacher. Newbury House Publishers.

Chicago Style (17th ed.) Citation

Richards, Jack C., and John W. Oller. Focus on the Learner: Pragmatic Perspectives for the Language Teacher. [Rowley, Mass.]: Newbury House Publishers, 1973.

MLA (9th ed.) Citation

Richards, Jack C., and John W. Oller. Focus on the Learner: Pragmatic Perspectives for the Language Teacher. Newbury House Publishers, 1973.

Warning: These citations may not always be 100% accurate.