Cita APA (7th ed.)
Aikman, L., Benn, N., Block, I., Chen, T., & Youngken, H. W. Nature's Healing Arts: From Folk Medicine to Modern Drugs. National Geographic Society, Special Publications Division.
Cita Chicago (17th ed.)
Aikman, Lonnelle, Nathan Benn, Ira Block, Tony Chen, i Heber W. Youngken. Nature's Healing Arts: From Folk Medicine to Modern Drugs. Washington, EUA: National Geographic Society, Special Publications Division.
Cita MLA (9th ed.)
Aikman, Lonnelle, et al. Nature's Healing Arts: From Folk Medicine to Modern Drugs. National Geographic Society, Special Publications Division.
Atenció: Aquestes cites poden no estar 100% correctes.