APA Style

Cohen, William A.. (2008). A Class with Drucker : the lost lessons of the world`s greatest management teacher . New York: Amacom, American Management Association.

Chicago Style

Cohen, William A.. A Class with Drucker : the lost lessons of the world`s greatest management teacher. New York: Amacom, American Management Association, 2008. Text.

MLA Style

Cohen, William A.. A Class with Drucker : the lost lessons of the world`s greatest management teacher. New York: Amacom, American Management Association, 2008. Text.

Turabian Style

Cohen, William A.. A Class with Drucker : the lost lessons of the world`s greatest management teacher. New York: Amacom, American Management Association, 2008. Print.