APA (7th ed.) Citation

Guffey, M. E. (2005). Business communication: Process and product (5th ed.). South-Western College Publishing.

Chicago Style (17th ed.) Citation

Guffey, Mary Ellen. Business Communication: Process and Product. 5th ed. Australia, [etc.]: South-Western College Publishing, 2005.

MLA (9th ed.) Citation

Guffey, Mary Ellen. Business Communication: Process and Product. 5th ed. South-Western College Publishing, 2005.