APA (7th ed.) Citation

Azar, B. S. (1989). Understanding and using english grammar (2nd edition.). Prentice Hall.

Chicago Style (17th ed.) Citation

Azar, Betty Schrampfer. Understanding and Using English Grammar. 2nd edition. New Jersey: Prentice Hall, 1989.

MLA (9th ed.) Citation

Azar, Betty Schrampfer. Understanding and Using English Grammar. 2nd edition. Prentice Hall, 1989.

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