APA (7th ed.) Citation

DRUCKER. (2006). Classic drucker: Peter F.Drucker. Harvard Business.

Chicago Style (17th ed.) Citation

DRUCKER. Classic Drucker: Peter F.Drucker. Boston: Harvard Business, 2006.

MLA (9th ed.) Citation

DRUCKER. Classic Drucker: Peter F.Drucker. Harvard Business, 2006.

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