APA (7th ed.) Citation

Guffey, M. E. (2002). Business English (7th.ed.). South-Western.

Chicago Style (17th ed.) Citation

Guffey, Mary Ellen. Business English. 7th.ed. Australia: South-Western, 2002.

MLA (9th ed.) Citation

Guffey, Mary Ellen. Business English. 7th.ed. South-Western, 2002.