Dungy, T., & Whitaker, N. (2007). Quiet strength: A memoir : [the principles, practices & priorities of a winning life]. Tyndale House Publishers.
Cita Chicago Style (17a ed.)Dungy, Tony, y Nathan Whitaker. Quiet Strength: A Memoir : [the Principles, Practices & Priorities of a Winning Life]. Carol Stream, Ill.: Tyndale House Publishers, 2007.
Cita MLA (8a ed.)Dungy, Tony, y Nathan Whitaker. Quiet Strength: A Memoir : [the Principles, Practices & Priorities of a Winning Life]. Tyndale House Publishers, 2007.
Precaución: Estas citas no son 100% exactas.