Cita APA

 Kaeppel, J. (2002).  The option trader’s guide to probability, volatility, and timing.  John Wiley & Sons.

Chicago Style Citation

 Kaeppel, Jay.  The Option Trader’s Guide to Probability, Volatility, and Timing.  John Wiley & Sons, 2002.

Cita MLA

 Kaeppel, Jay.  The Option Trader’s Guide to Probability, Volatility, and Timing.  John Wiley & Sons, 2002.