Wolff, H., Fleckenstein, A., & Philipp, E. O. (1989). Drug Research and Drug Development in the 21st Century: Science and Ethics. Springer Berlin Heidelberg.
Chicago Style (17th ed.) CitationWolff, H.-P, A. Fleckenstein, and E. O. Philipp. Drug Research and Drug Development in the 21st Century: Science and Ethics. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989.
MLA (9th ed.) CitationWolff, H.-P, et al. Drug Research and Drug Development in the 21st Century: Science and Ethics. Springer Berlin Heidelberg, 1989.
Warning: These citations may not always be 100% accurate.