Bergner, P. (1997). The healing power of echinacea, goldenseal, and other immune system herbs. Prima Pub.
Chicago Style (17th ed.) CitationBergner, Paul. The Healing Power of Echinacea, Goldenseal, and Other Immune System Herbs. Rocklin, CA: Prima Pub, 1997.
MLA (9th ed.) CitationBergner, Paul. The Healing Power of Echinacea, Goldenseal, and Other Immune System Herbs. Prima Pub, 1997.
Warning: These citations may not always be 100% accurate.