APA (7th ed.) Citation

Covey, S. R. (1990). The seven habits of highly effective people: Restoring the character ethic. Simon & Schuster.

Chicago Style (17th ed.) Citation

Covey, Stephen R. The Seven Habits of Highly Effective People: Restoring the Character Ethic. New York: Simon & Schuster, 1990.

MLA (9th ed.) Citation

Covey, Stephen R. The Seven Habits of Highly Effective People: Restoring the Character Ethic. Simon & Schuster, 1990.

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