APA (7th ed.) Citation

Covey. (1989). The 7 habits of higly effective people: Powerfull lessons interpersonal change. Simon & Schuster.

Chicago Style (17th ed.) Citation

Covey. The 7 Habits of Higly Effective People: Powerfull Lessons Interpersonal Change. New York: Simon & Schuster, 1989.

MLA (8th ed.) Citation

Covey. The 7 Habits of Higly Effective People: Powerfull Lessons Interpersonal Change. Simon & Schuster, 1989.

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