APA (7th ed.) Citation

Krashen, S. D., & Terrell, T. D. (1984). The natural approach: Language acquisition in the classroom (Repr.). Pergamon Press [u.a.].

Chicago Style (17th ed.) Citation

Krashen, Stephen D., and Tracy D. Terrell. The Natural Approach: Language Acquisition in the Classroom. Repr. Oxford [u.a.]: Pergamon Press [u.a.], 1984.

MLA (9th ed.) Citation

Krashen, Stephen D., and Tracy D. Terrell. The Natural Approach: Language Acquisition in the Classroom. Repr. Pergamon Press [u.a.], 1984.