APA (7th ed.) Citation

Hagen, B. S. A. S. A. (2006). Basic english grammar. Pearson.

Chicago Style (17th ed.) Citation

Hagen, Betty Schrampfer Azar; Stacy A. Basic English Grammar. Pearson, 2006.

MLA (8th ed.) Citation

Hagen, Betty Schrampfer Azar; Stacy A. Basic English Grammar. Pearson, 2006.

Warning: These citations may not always be 100% accurate.