Cita APA

 Kerr, K. (2007).  A maniac commodity trader’s guide to making a fortune: A not-so crazy roadmap to riches.  John Wiley & Sons.

Chicago Style Citation

 Kerr, Kevin.  A Maniac Commodity Trader’s Guide to Making a Fortune: A Not-so Crazy Roadmap to Riches.  John Wiley & Sons, 2007.

Cita MLA

 Kerr, Kevin.  A Maniac Commodity Trader’s Guide to Making a Fortune: A Not-so Crazy Roadmap to Riches.  John Wiley & Sons, 2007.