APA (7th ed.) Citation

Edwards, S. E., Rocha, I., Williamson, E. M., & Heinrich, M. a. Phytopharmacy: An evidence-based guide to herbal medical products.

Chicago Style (17th ed.) Citation

Edwards, Sarah E., Ines Rocha, Elizabeth M. Williamson, and Michael author Heinrich. Phytopharmacy: An Evidence-based Guide to Herbal Medical Products.

MLA (9th ed.) Citation

Edwards, Sarah E., et al. Phytopharmacy: An Evidence-based Guide to Herbal Medical Products.