APA

Barnes J., Anderson & Phillipson J. D. (2007). Herbal medicines. London: Pharmaceutical Press.

Chicago

Barnes Joanne, Anderson and Phillipson J David. 2007. Herbal medicines. London: Pharmaceutical Press.

Harvard

Barnes J., Anderson and Phillipson J. D. (2007). Herbal medicines. London: Pharmaceutical Press.

MLA

Barnes Joanne, Anderson and Phillipson J David. Herbal medicines. London: Pharmaceutical Press. 2007.