Citazione Stile APA (7a Edizione)

Parnes, S. J., & Harding, H. F. (1962). A source book for creative thinking. Scribner.

Citazione stile Chigago Style (17a edizione)

Parnes, Sidney Jay, e Harold Friend Harding. A Source Book for Creative Thinking. New York: Scribner, 1962.

Citatione MLA (9a ed.)

Parnes, Sidney Jay, e Harold Friend Harding. A Source Book for Creative Thinking. Scribner, 1962.