APA (7th ed.) Citation

Peale, N. V. (1984). The power of positif thinking. Ballantine Books.

Chicago Style (17th ed.) Citation

Peale, Norman Vincent. The Power of Positif Thinking. New York: Ballantine Books, 1984.

MLA (9th ed.) Citation

Peale, Norman Vincent. The Power of Positif Thinking. Ballantine Books, 1984.