APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Guffey, Mary Ellen. Essentials of Business Communication. 6th ed. Australia, [etc.]: South-Western College Publishing, 2004.

MLA (9th ed.) Citation

Guffey, Mary Ellen. Essentials of Business Communication. 6th ed. South-Western College Publishing, 2004.

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