APA (7th ed.) Citation

Azar, B. S., & Hagen, S. A. (2006). Basic english grammar (Third edition.). Pearson/Longman.

Chicago Style (17th ed.) Citation

Azar, Betty Schrampfer, and Stacy A. Hagen. Basic English Grammar. Third edition. New York: Pearson/Longman, 2006.

MLA (9th ed.) Citation

Azar, Betty Schrampfer, and Stacy A. Hagen. Basic English Grammar. Third edition. Pearson/Longman, 2006.