APA Citation

Drucker, P. F. (1999). Management challenges for the 21st century. Saint Joseph's University.

Chicago Style Citation

Drucker, Peter F. Management Challenges for the 21st Century. Saint Joseph's University, 1999.

MLA Citation

Drucker, Peter F. Management Challenges for the 21st Century. Saint Joseph's University, 1999.

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