APA (7th ed.) Citation

Azar. (2006). Basic English grammar (3rd ed. with answer key.). Pearson Longman.

Chicago Style (17th ed.) Citation

Azar. Basic English Grammar. 3rd ed. with answer key. White Plains, NY: Pearson Longman, 2006.

MLA (8th ed.) Citation

Azar. Basic English Grammar. 3rd ed. with answer key. Pearson Longman, 2006.