APA (7th ed.) Citation

Guffey, M. E. (1998). Essentials of business communication (4ed.). South-Western College Publishing.

Chicago Style (17th ed.) Citation

Guffey, Mary Ellen. Essentials of Business Communication. 4ed. Cincinnati, Ohio: South-Western College Publishing, 1998.

MLA (9th ed.) Citation

Guffey, Mary Ellen. Essentials of Business Communication. 4ed. South-Western College Publishing, 1998.