Schulz, V., Hänsel, R., Blumenthal, M., & Tyler, V. E. (2004). Rational Phytotherapy: A Reference Guide for Physicians and Pharmacists (Fifth edition, fully revised and expanded.). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-09666-6
Chicago Style (17th ed.) CitationSchulz, Volker, Rudolf Hänsel, Mark Blumenthal, and Varro E. Tyler. Rational Phytotherapy: A Reference Guide for Physicians and Pharmacists. Fifth edition, fully revised and expanded. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. https://doi.org/10.1007/978-3-662-09666-6.
MLA (9th ed.) CitationSchulz, Volker, et al. Rational Phytotherapy: A Reference Guide for Physicians and Pharmacists. Fifth edition, fully revised and expanded. Springer Berlin Heidelberg, 2004. https://doi.org/10.1007/978-3-662-09666-6.