APA (7th ed.) Citation

Guffey, M. E., & Seefer, C. M. (2011). Business English (10/e.). South Western Cengage Learning.

Chicago Style (17th ed.) Citation

Guffey, Mary Ellen, and Carolyn M. Seefer. Business English. 10/e. Mason, OH: South Western Cengage Learning, 2011.

MLA (9th ed.) Citation

Guffey, Mary Ellen, and Carolyn M. Seefer. Business English. 10/e. South Western Cengage Learning, 2011.