Mercola, J., & Degen Pearsall, K. Take control of your health (2a ed.).
Cita Chicago (17th ed.)Mercola, Joseph, i Kendra Degen Pearsall. Take Control of Your Health. 2a ed.
Cita MLA (8th ed.)Mercola, Joseph, i Kendra Degen Pearsall. Take Control of Your Health. 2a ed.
Atenció: Aquestes cites poden no estar 100% correctes.