Verstegen, M., & Williams, P. (2004). Core performance : the revolutionary workout program to transform your body and your life / Mark Verstegen and Pete Williams: The revolutionary workout program to transform your body and your life. Rodale.
Chicago Style (17th ed.) CitationVerstegen, Mark, and Pete Williams. Core Performance : The Revolutionary Workout Program to Transform Your Body and Your Life / Mark Verstegen and Pete Williams: The Revolutionary Workout Program to Transform Your Body and Your Life. [Emmaus, Pa.]: Rodale, 2004.
MLA (9th ed.) CitationVerstegen, Mark, and Pete Williams. Core Performance : The Revolutionary Workout Program to Transform Your Body and Your Life / Mark Verstegen and Pete Williams: The Revolutionary Workout Program to Transform Your Body and Your Life. Rodale, 2004.