Lorge Butler, S., Bonci, L., & Coates, B. (2011). Run your butt off!: A breakthrough plan to lose weight and start running (no experience necessary!). Rodale.
Cita Chicago Style (17a ed.)Lorge Butler, Sarah, Leslie Bonci, y Budd Coates. Run Your Butt off!: A Breakthrough Plan to Lose Weight and Start Running (no Experience Necessary!). Emmaus, Pa.: Rodale, 2011.
Cita MLA (8a ed.)Lorge Butler, Sarah, et al. Run Your Butt off!: A Breakthrough Plan to Lose Weight and Start Running (no Experience Necessary!). Rodale, 2011.
Precaución: Estas citas no son 100% exactas.