APA (7th ed.) Citation

Guffey. (1999). Business English (6th ed.). South-Western College Publishing.

Chicago Style (17th ed.) Citation

Guffey. Business English. 6th ed. Ohio: South-Western College Publishing, 1999.

MLA (9th ed.) Citation

Guffey. Business English. 6th ed. South-Western College Publishing, 1999.

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