Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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