APA (7th ed.) Citation

Krashen, S. D., & Terrell, T. D. (2000). The natural approach: Language acquisition in the classroom. Pearson Education.

Chicago Style (17th ed.) Citation

Krashen, Stephen David, and Tracy David Terrell. The Natural Approach: Language Acquisition in the Classroom. Harlow: Pearson Education, 2000.

MLA (9th ed.) Citation

Krashen, Stephen David, and Tracy David Terrell. The Natural Approach: Language Acquisition in the Classroom. Pearson Education, 2000.