APA (7th ed.) Citation

Matthies, B. F., & Azar, B. S. (1991). Understanding and using English grammar: Teacher's guide, volume B (2nd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Matthies, Barbara F., and Betty Schrampfer Azar. Understanding and Using English Grammar: Teacher's Guide, Volume B. 2nd ed. Englewood Cliffs, NJ: Prentice Hall, 1991.

MLA (9th ed.) Citation

Matthies, Barbara F., and Betty Schrampfer Azar. Understanding and Using English Grammar: Teacher's Guide, Volume B. 2nd ed. Prentice Hall, 1991.