APA (7th ed.) Citation

KOONTZ, H. (1981). A Practical Introduction to Business. Richard D. Irwin, Inc.

Chicago Style (17th ed.) Citation

KOONTZ, Harold. A Practical Introduction to Business. Richard D. Irwin, Inc, 1981.

MLA (8th ed.) Citation

KOONTZ, Harold. A Practical Introduction to Business. Richard D. Irwin, Inc, 1981.

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