APA (7th ed.) Citation

Drucker, P. F. Management & leadership today and tomorrow. Management Training System.

Chicago Style (17th ed.) Citation

Drucker, Peter F. Management & Leadership Today and Tomorrow. Melksham, Wiltshir, United Kingdom: Management Training System.

MLA (9th ed.) Citation

Drucker, Peter F. Management & Leadership Today and Tomorrow. Management Training System.

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