Covey. (2004). The 7 habits of highly effective people: Powerful lessons in personal change ([Rev. ed.].). Free Press.
Chicago Style (17th ed.) CitationCovey. The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change. [Rev. ed.]. New York: Free Press, 2004.
MLA (8th ed.) CitationCovey. The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change. [Rev. ed.]. Free Press, 2004.
Warning: These citations may not always be 100% accurate.