APA (7th ed.) Citation

Guffey, M. E., & Seefer, C. M. (2008). Business English (9th ed., Student ed.). Thomson/South-Western.

Chicago Style (17th ed.) Citation

Guffey, Mary Ellen, and Carolyn M. Seefer. Business English. 9th ed., Student ed. Mason, Ohio: Thomson/South-Western, 2008.

MLA (9th ed.) Citation

Guffey, Mary Ellen, and Carolyn M. Seefer. Business English. 9th ed., Student ed. Thomson/South-Western, 2008.