Ferriss, T. (2010). The 4-hour body: An uncommon guide to rapid fat-loss, incredible sex, and becoming superhuman. Crown Archetype.
Cita Chicago Style (17a ed.)Ferriss, Timothy. The 4-hour Body: An Uncommon Guide to Rapid Fat-loss, Incredible Sex, and Becoming Superhuman. New York: Crown Archetype, 2010.
Cita MLA (8a ed.)Ferriss, Timothy. The 4-hour Body: An Uncommon Guide to Rapid Fat-loss, Incredible Sex, and Becoming Superhuman. Crown Archetype, 2010.
Precaución: Estas citas no son 100% exactas.