APA (7th ed.) Citation

Koontz, H., & Weihrich, H. (1989). Management (9th ed., 3rd printing.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Koontz, Harold, and Heinz Weihrich. Management. 9th ed., 3rd printing. New York [etc.]: McGraw-Hill, 1989.

MLA (9th ed.) Citation

Koontz, Harold, and Heinz Weihrich. Management. 9th ed., 3rd printing. McGraw-Hill, 1989.