Citazione Stile APA (7a Edizione)

Oech, R. v. (1983). A whack on the side of the head: How you can be more creative (1a. ed.). Business Plus.

Citazione stile Chigago Style (17a edizione)

Oech, Roger von. A Whack on the Side of the Head: How You Can Be More Creative. 1a. ed. Nueva York: Business Plus, 1983.

Citatione MLA (9a ed.)

Oech, Roger von. A Whack on the Side of the Head: How You Can Be More Creative. 1a. ed. Business Plus, 1983.