SpringerLink (Online service), Wolff, H., Fleckenstein, A., & Philipp, E. O. (1989). Drug Research and Drug Development in the 21st Century: Science and Ethics (1st ed. 1989.). Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer.
Chicago Style CitationSpringerLink (Online service), H.P Wolff, A. Fleckenstein, and Egon O. Philipp. Drug Research and Drug Development in the 21st Century: Science and Ethics. 1st ed. 1989. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1989.
MLA CitationSpringerLink (Online service), H.P Wolff, A. Fleckenstein, and Egon O. Philipp. Drug Research and Drug Development in the 21st Century: Science and Ethics. 1st ed. 1989. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1989.