APA (7th ed.) Citation

Dewdney, A. K. (1993). 200% of nothing: An eye-opening tour through the twists and turns of math abuse and innumeracy. Wiley.

Chicago Style (17th ed.) Citation

Dewdney, A. K. 200% of Nothing: An Eye-opening Tour Through the Twists and Turns of Math Abuse and Innumeracy. New York: Wiley, 1993.

MLA (9th ed.) Citation

Dewdney, A. K. 200% of Nothing: An Eye-opening Tour Through the Twists and Turns of Math Abuse and Innumeracy. Wiley, 1993.