WC Evans. (1996). trease and Evans Pharmacognosy (15th.). New York.
Cita Chicago (17th ed.)WC Evans. Trease and Evans Pharmacognosy. 15th. Saunders: New York, 1996.
Cita MLA (9th ed.)WC Evans. Trease and Evans Pharmacognosy. 15th. New York, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.