APA (7th ed.) Citation

Koontz, H., & Fulmer, R. M. (1981). A practical introduction to business (3rd ed.). R.D. Irwin.

Chicago Style (17th ed.) Citation

Koontz, Harold, and Robert M. Fulmer. A Practical Introduction to Business. 3rd ed. Homewood, Ill: R.D. Irwin, 1981.

MLA (9th ed.) Citation

Koontz, Harold, and Robert M. Fulmer. A Practical Introduction to Business. 3rd ed. R.D. Irwin, 1981.