APA Edition Citation

Wagner, H., & Wolff, P. (1977). New natural products and plant drugs with pharmacological biological or therapeutical activity. Springer Verlag.

Chicago Edition Citation

Wagner, H., and P. Wolff. New Natural Products and Plant Drugs with Pharmacological Biological or Therapeutical Activity. New York: Springer Verlag, 1977.

MLA Edition Citation

Wagner, H., and P. Wolff. New Natural Products and Plant Drugs with Pharmacological Biological or Therapeutical Activity. Springer Verlag, 1977.