Cita APA (7th ed.)

Peale, N. V. (2003). The power of positive thinking (1st Fireside ed.). Fireside/Simon & Schuster.

Cita Chicago (17th ed.)

Peale, Norman Vincent. The Power of Positive Thinking. 1st Fireside ed. New York: Fireside/Simon & Schuster, 2003.

Cita MLA (8th ed.)

Peale, Norman Vincent. The Power of Positive Thinking. 1st Fireside ed. Fireside/Simon & Schuster, 2003.