APA
Halliwell B., Ong C. N. & Packer L. (2004). Herbal and traditional medicine : molecular aspects of health. New York: Marcel Dekker.
Chicago
Halliwell Barry, Ong Choon Nam and Packer Lester. 2004. Herbal and traditional medicine : molecular aspects of health. New York: Marcel Dekker.
Harvard
Halliwell B., Ong C. N. and Packer L. (2004). Herbal and traditional medicine : molecular aspects of health. New York: Marcel Dekker.
MLA
Halliwell Barry, Ong Choon Nam and Packer Lester. Herbal and traditional medicine : molecular aspects of health. New York: Marcel Dekker. 2004.