Cita APA (7th ed.)
Cohen, W. A. (1985). How to make it big as a consultant. Amacom.
Cita Chicago (17th ed.)
Cohen, William A. How to Make It Big as a Consultant. New York: Amacom, 1985.
Cita MLA (9th ed.)
Cohen, William A. How to Make It Big as a Consultant. Amacom, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.