APA (7th ed.) Citation

DuPont, M. K. (1993). Business etiquette and professionalism (Rev. ed.). Crisp Publications.

Chicago Style (17th ed.) Citation

DuPont, M. Kay. Business Etiquette and Professionalism. Rev. ed. Los Altos, Calif.: Crisp Publications, 1993.

MLA (9th ed.) Citation

DuPont, M. Kay. Business Etiquette and Professionalism. Rev. ed. Crisp Publications, 1993.