Cita APA (7a ed.)

Covey, S. (1998). The 7 habits of highly effective teens: The ultimate teenage success guide. Simon & Schuster.

Cita Chicago Style (17a ed.)

Covey, Sean. The 7 Habits of Highly Effective Teens: The Ultimate Teenage Success Guide. New York: Simon & Schuster, 1998.

Cita MLA (8a ed.)

Covey, Sean. The 7 Habits of Highly Effective Teens: The Ultimate Teenage Success Guide. Simon & Schuster, 1998.