APA Citation

 Shilstone, M. (2007).  Lean and hard: The body you’ve always wanted in just 24 workouts.  John Wiley & Sons.

Chicago Style Citation

 Shilstone, Mackie.  Lean and Hard: The Body You’ve Always Wanted in Just 24 Workouts.  John Wiley & Sons, 2007.

MLA Citation

 Shilstone, Mackie.  Lean and Hard: The Body You’ve Always Wanted in Just 24 Workouts.  John Wiley & Sons, 2007.

Warning: These citations may not always be 100% accurate.