Cita APA

 Helweg, M. W. (2002).  Dynamic trading indicators: Winning with value charts and price action profile.  Jonh Wiley & Sons.

Citación estilo Chicago

 Helweg, Mark W.  Dynamic Trading Indicators: Winning With Value Charts and Price Action Profile.  Jonh Wiley & Sons, 2002.

Cita MLA

 Helweg, Mark W.  Dynamic Trading Indicators: Winning With Value Charts and Price Action Profile.  Jonh Wiley & Sons, 2002.