APA (7th ed.) Citation

Azar, B. S., & Azar, D. A. (1990). Understanding and using English grammar: Workbook, volume B (2nd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Azar, Betty Schrampfer, and Donald A. Azar. Understanding and Using English Grammar: Workbook, Volume B. 2nd ed. Englewood Cliffs, NJ: Prentice Hall, 1990.

MLA (9th ed.) Citation

Azar, Betty Schrampfer, and Donald A. Azar. Understanding and Using English Grammar: Workbook, Volume B. 2nd ed. Prentice Hall, 1990.