APA (7th ed.) Citation

Krashen, S., & Terrell, T. D. (1983). The natural approach: Language acquisition in the classroom. Pergamon Institute of English Alemany Press.

Chicago Style (17th ed.) Citation

Krashen, Stephen, and Tracy D. Terrell. The Natural Approach: Language Acquisition in the Classroom. Oxford, England San Francisco, CA: Pergamon Institute of English Alemany Press, 1983.

MLA (9th ed.) Citation

Krashen, Stephen, and Tracy D. Terrell. The Natural Approach: Language Acquisition in the Classroom. Pergamon Institute of English Alemany Press, 1983.