APA (7th ed.) Citation

Drucker, P. F. (2006). The effective executive. Collins Business.

Chicago Style (17th ed.) Citation

Drucker, Peter F. The Effective Executive. New York: Collins Business, 2006.

MLA (8th ed.) Citation

Drucker, Peter F. The Effective Executive. Collins Business, 2006.

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