APA (7th ed.) Citation

Schulz, V., Hänsel, R., & Tyler, V. E. (2001). Rational phytotherapy: A physician's guide to herbal medicine (Fourth edition, fully revised and expanded.). Springer.

Chicago Style (17th ed.) Citation

Schulz, Volker, Rudolf Hänsel, and Varro E. Tyler. Rational Phytotherapy: A Physician's Guide to Herbal Medicine. Fourth edition, fully revised and expanded. Berlin ; New York: Springer, 2001.

MLA (9th ed.) Citation

Schulz, Volker, et al. Rational Phytotherapy: A Physician's Guide to Herbal Medicine. Fourth edition, fully revised and expanded. Springer, 2001.