Cita APA (7a ed.)

Bergner, P. (1997). The healing power of echinacea, goldenseal, and other immune system herbs. Prima Pub.

Cita Chicago Style (17a ed.)

Bergner, Paul. The Healing Power of Echinacea, Goldenseal, and Other Immune System Herbs. Rocklin, CA: Prima Pub, 1997.

Cita MLA (9a ed.)

Bergner, Paul. The Healing Power of Echinacea, Goldenseal, and Other Immune System Herbs. Prima Pub, 1997.