APA (7th ed.) Citation

COVEY. (1989). The 7 habits of highly effective people: Restoring the character ethic. New York: Fireside Book, 1989.

Chicago Style (17th ed.) Citation

COVEY. The 7 Habits of Highly Effective People: Restoring the Character Ethic. New York: New York: Fireside Book, 1989, 1989.

MLA (8th ed.) Citation

COVEY. The 7 Habits of Highly Effective People: Restoring the Character Ethic. New York: Fireside Book, 1989, 1989.