Gaya APA

Philipson, J, B, L, A, A, A, J, D. (2007). Herbal Medicine (3th edition). Germany: Pharmaccutical Press.

Gaya MLA

Philipson, Joanne, Barnes,, Linda, A, Anderson,, And, J, David. "Herbal Medicine". 3th edition Germany: Pharmaccutical Press, 2007. Text.