Lucas, R. (1979). Natures medicines: The folklore, romance, and value of herbal remedies. Parker Publishing Company.
Citazione stile Chigago Style (17a edizione)Lucas, Richard. Natures Medicines: The Folklore, Romance, and Value of Herbal Remedies. New York: Parker Publishing Company, 1979.
Citatione MLA (9a ed.)Lucas, Richard. Natures Medicines: The Folklore, Romance, and Value of Herbal Remedies. Parker Publishing Company, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.