APA (7th ed.) Citation

Von Oech, R. (1998). A whack on the side of the head: How you can be more creative (3. ed.). Warner Books.

Chicago Style (17th ed.) Citation

Von Oech, Roger. A Whack on the Side of the Head: How You Can Be More Creative. 3. ed. New York, NY: Warner Books, 1998.

MLA (9th ed.) Citation

Von Oech, Roger. A Whack on the Side of the Head: How You Can Be More Creative. 3. ed. Warner Books, 1998.