APA (7th ed.) Citation

Azar, B. S., & Hartle, S. Fundamentals of english grammar: Workbook (Third edition.).

Chicago Style (17th ed.) Citation

Azar, Betty Schrampfer, and Shelley Hartle. Fundamentals of English Grammar: Workbook. Third edition. New York.

MLA (9th ed.) Citation

Azar, Betty Schrampfer, and Shelley Hartle. Fundamentals of English Grammar: Workbook. Third edition.

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