APA (7th ed.) Citation

Baugh, L. S., Fryar, M., & Thomas, D. (1989). Handbook for business writing. Guild.

Chicago Style (17th ed.) Citation

Baugh, L. Sue, Maridell Fryar, and David Thomas. Handbook for Business Writing. London: Guild, 1989.

MLA (9th ed.) Citation

Baugh, L. Sue, et al. Handbook for Business Writing. Guild, 1989.