APA (7th ed.) Citation

Dieterich, T., & Freeman, C. (1979). A linguistic guide to English proficiency testing in schools. Center for Applied Linguistics.

Chicago Style (17th ed.) Citation

Dieterich, Thomas, and Cecilia Freeman. A Linguistic Guide to English Proficiency Testing in Schools. Arlington, Va.: Center for Applied Linguistics, 1979.

MLA (9th ed.) Citation

Dieterich, Thomas, and Cecilia Freeman. A Linguistic Guide to English Proficiency Testing in Schools. Center for Applied Linguistics, 1979.