Covey, S. R. (1990). The 7 habits of highly effective people: Restoring the character ethic. Simon & Schuster Ltd.
Chicago Style (17th ed.) CitationCovey, Stephen R. The 7 Habits of Highly Effective People: Restoring the Character Ethic. London: Simon & Schuster Ltd, 1990.
MLA (8th ed.) CitationCovey, Stephen R. The 7 Habits of Highly Effective People: Restoring the Character Ethic. Simon & Schuster Ltd, 1990.
Warning: These citations may not always be 100% accurate.