APA
Wagner H. (. &. W. P., . (1977). New natural products and plant drugs with pharmacological, biological or therapeutical activity. Springer-Verlag, Berlin: .
Chicago
Wagner H (ed) & Wolff P, . 1977. New natural products and plant drugs with pharmacological, biological or therapeutical activity. Springer-Verlag, Berlin: .
Harvard
Wagner H. (. &. W. P., . (1977). New natural products and plant drugs with pharmacological, biological or therapeutical activity. Springer-Verlag, Berlin: .
MLA
Wagner H (ed) & Wolff P, . New natural products and plant drugs with pharmacological, biological or therapeutical activity. Springer-Verlag, Berlin: . 1977.