Macfadden, B. (1915). Vitality suprene. New York: Physical Culture.
Chicago Style CitationMacfadden, Bernarr. Vitality Suprene. New York: Physical Culture, 1915.
Cita MLAMacfadden, Bernarr. Vitality Suprene. New York: Physical Culture, 1915.
Atenció: Aquestes cites poden no estar 100% correctes.