Covey, S. R. (1990). The seven habits of highly effective people. New York: Simon & Schuster.
Chicago Style CitationCovey, Stephen R. The Seven Habits of Highly Effective People. New York: Simon & Schuster, 1990.
MLA CitationCovey, Stephen R. The Seven Habits of Highly Effective People. New York: Simon & Schuster, 1990.
Warning: These citations may not always be 100% accurate.