APA (7th ed.) Citation

Peale, N. V. (1952). The power of positive thinking. Pocket Books.

Chicago Style (17th ed.) Citation

Peale, Norman Vincent. The Power of Positive Thinking. New York: Pocket Books, 1952.

MLA (8th ed.) Citation

Peale, Norman Vincent. The Power of Positive Thinking. Pocket Books, 1952.