Citazione APA

Peale, N. V. (1959). The Amazing result of positive thinking. Prentice Hall.

Stile di citazione Chicago

Peale, Norman Vincent. The Amazing Result of Positive Thinking. New York: Prentice Hall, 1959.

Citazione MLA

Peale, Norman Vincent. The Amazing Result of Positive Thinking. Prentice Hall, 1959.