Citazione Stile APA (7a Edizione)

Cohen, W. A. (2013). Drucker on marketing: Lessons from the world's most influential business thinker. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Cohen, William A. Drucker on Marketing: Lessons from the World's Most Influential Business Thinker. New York: McGraw-Hill, 2013.

Citatione MLA (9a ed.)

Cohen, William A. Drucker on Marketing: Lessons from the World's Most Influential Business Thinker. McGraw-Hill, 2013.