APA (7th ed.) Citation

Cohen. (2008). A class with Drucker: The lost lessons of the world's greatest management teacher. American Management Association.

Chicago Style (17th ed.) Citation

Cohen. A Class with Drucker: The Lost Lessons of the World's Greatest Management Teacher. New York: American Management Association, 2008.

MLA (8th ed.) Citation

Cohen. A Class with Drucker: The Lost Lessons of the World's Greatest Management Teacher. American Management Association, 2008.