Cita APA (7th ed.)
Dumont, T. Q. (2005). The power of concentration. Advanced Thought Pub.
Cita Chicago (17th ed.)
Dumont, Theron Q. The Power of Concentration. Chicago: Advanced Thought Pub, 2005.
Cita MLA (9th ed.)
Dumont, Theron Q. The Power of Concentration. Advanced Thought Pub, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.