APA (7th ed.) Zitazioa

Cohen, W. A. (1985). How to make it big as a consultant. Amacom.

Chicago Style (17th ed.) Zitazioa

Cohen, William A. How to Make It Big as a Consultant. New York: Amacom, 1985.

MLA (9th ed.) Zitazioa

Cohen, William A. How to Make It Big as a Consultant. Amacom, 1985.