APA (7th ed.) Citation

Guffey, M. E. (2004). Essentials of business communication (6. ed.). Thomson, South-Western.

Chicago Style (17th ed.) Citation

Guffey, Mary Ellen. Essentials of Business Communication. 6. ed. Mason, Ohio: Thomson, South-Western, 2004.

MLA (9th ed.) Citation

Guffey, Mary Ellen. Essentials of Business Communication. 6. ed. Thomson, South-Western, 2004.