APA (7th ed.) Citation

Azar, B. S., & Hagen, S. (2003). Fundamentals of English grammar: Workbook (3. ed.). Longman.

Chicago Style (17th ed.) Citation

Azar, Betty Schrampfer, and Stacy Hagen. Fundamentals of English Grammar: Workbook. 3. ed. White Plains, NY: Longman, 2003.

MLA (9th ed.) Citation

Azar, Betty Schrampfer, and Stacy Hagen. Fundamentals of English Grammar: Workbook. 3. ed. Longman, 2003.