Style de citation APA

 Gotthelf, P. (2005).  Precious metals trading: How to forecast and profit from major market moves.  John Wiley & Sons.

Style de citation Chicago

 Gotthelf, Philip.  Precious Metals Trading: How to Forecast and Profit From Major Market Moves.  John Wiley & Sons, 2005.

Style de citation MLA

 Gotthelf, Philip.  Precious Metals Trading: How to Forecast and Profit From Major Market Moves.  John Wiley & Sons, 2005.

Attention : ces citations peuvent ne pas être correctes à 100%.