APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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