Kirchheimer, S., Malesky, G., & Prevention Magazine Health Books. (1997). Energy forever: More than 1,000 quick and easy tips and techniques to beat fatigue and turbocharge your life. Rodale Press.
Cita Chicago (17th ed.)Kirchheimer, Sid, Gale Malesky, i Prevention Magazine Health Books. Energy Forever: More than 1,000 Quick and Easy Tips and Techniques to Beat Fatigue and Turbocharge Your Life. Emmaus, PA: Rodale Press, 1997.
Cita MLA (9th ed.)Kirchheimer, Sid, et al. Energy Forever: More than 1,000 Quick and Easy Tips and Techniques to Beat Fatigue and Turbocharge Your Life. Rodale Press, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.