APA (7th ed.) Citation

Koontz, H. (1982). Essentials of management (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Koontz, Harold. Essentials of Management. 3rd ed. New York: McGraw-Hill, 1982.

MLA (9th ed.) Citation

Koontz, Harold. Essentials of Management. 3rd ed. McGraw-Hill, 1982.