APA (7th ed.) Citation

Drucker, P. (2006). Management challenges for the 21st Century. Palgrave Macmillan Punl.

Chicago Style (17th ed.) Citation

Drucker, Peter. Management Challenges for the 21st Century. New York: Palgrave Macmillan Punl, 2006.

MLA (9th ed.) Citation

Drucker, Peter. Management Challenges for the 21st Century. Palgrave Macmillan Punl, 2006.

Warning: These citations may not always be 100% accurate.