Citazione APA

Hoffmann,, F., & Manning,, M. (2006). Herbal medicine and botanical medical fads. Viva.

Stile di citazione Chicago

Hoffmann,, Frank, e Martin Manning. Herbal Medicine and Botanical Medical Fads. New Delhi: Viva, 2006.

Citazione MLA

Hoffmann,, Frank, e Martin Manning. Herbal Medicine and Botanical Medical Fads. Viva, 2006.