APA (7th ed.) Citation

DRUCKER. (1200). IThe Effective Executive: The Definitive Guide to Getting the Right Things Dne. Harper Collins Publishers.

Chicago Style (17th ed.) Citation

DRUCKER. IThe Effective Executive: The Definitive Guide to Getting the Right Things Dne. New York, USA: Harper Collins Publishers, 1200.

MLA (9th ed.) Citation

DRUCKER. IThe Effective Executive: The Definitive Guide to Getting the Right Things Dne. Harper Collins Publishers, 1200.

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