APA Style

Azar, Betty Schrampfer, Hagen, Stacy A.. (2009). Understanding and Using English Grammar. 4th Edition. CD 1. Chapters 1-11 (14th Edition). New York: Pearson Education, Inc.

Chicago Style

Azar, Betty Schrampfer, Hagen, Stacy A.. Understanding and Using English Grammar. 4th Edition. CD 1. Chapters 1-11. 14th Edition New York: Pearson Education, Inc, 2009. Text.

MLA Style

Azar, Betty Schrampfer, Hagen, Stacy A.. Understanding and Using English Grammar. 4th Edition. CD 1. Chapters 1-11. 14th Edition New York: Pearson Education, Inc, 2009. Text.

Turabian Style

Azar, Betty Schrampfer, Hagen, Stacy A.. Understanding and Using English Grammar. 4th Edition. CD 1. Chapters 1-11. 14th Edition New York: Pearson Education, Inc, 2009. Print.