APA (7th ed.) Citation

Greatshell, W. (2011). Mad skills (Ace mass-market ed.). Berkley Publishing Group.

Chicago Style (17th ed.) Citation

Greatshell, Walter. Mad Skills. Ace mass-market ed. New York, N.Y.: Berkley Publishing Group, 2011.

MLA (9th ed.) Citation

Greatshell, Walter. Mad Skills. Ace mass-market ed. Berkley Publishing Group, 2011.