BayView Entertainment (Firm), Coffey-Meyer, K., & Twombly, G. (2011). 30 minutes to fitness. [BayView Entertainment].
Cita Chicago Style (17a ed.)BayView Entertainment (Firm), Kelly Coffey-Meyer, y Greg Twombly. 30 Minutes to Fitness. [United States]: [BayView Entertainment], 2011.
Cita MLA (8a ed.)BayView Entertainment (Firm), et al. 30 Minutes to Fitness. [BayView Entertainment], 2011.
Precaución: Estas citas no son 100% exactas.