APA (7th ed.) Citation

Koontz, H., O'Donnel, C., & Weihrich, H. (1982). Essentials of management (3rd ed.). Tata-McGrawHill.

Chicago Style (17th ed.) Citation

Koontz, Harold, Cyril O'Donnel, and Heinz Weihrich. Essentials of Management. 3rd ed. New Delhi: Tata-McGrawHill, 1982.

MLA (9th ed.) Citation

Koontz, Harold, et al. Essentials of Management. 3rd ed. Tata-McGrawHill, 1982.