APA (7th ed.) Citation

Hagen, S. A., & Azar, B. S. (2017). Understanding and Using English Grammar Fith Edition. Pearson Education Limited.

Chicago Style (17th ed.) Citation

Hagen, Stacy A., and Betty S. Azar. Understanding and Using English Grammar Fith Edition. Pearson Education Limited, 2017.

MLA (8th ed.) Citation

Hagen, Stacy A., and Betty S. Azar. Understanding and Using English Grammar Fith Edition. Pearson Education Limited, 2017.

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