APA (7th ed.) Citation

Schauenberg, P., & Paris, F. (1977). Guide to medicinal plants. Keats.

Chicago Style (17th ed.) Citation

Schauenberg, Paul, and Ferdinand Paris. Guide to Medicinal Plants. New Canaan, Conn: Keats, 1977.

MLA (9th ed.) Citation

Schauenberg, Paul, and Ferdinand Paris. Guide to Medicinal Plants. Keats, 1977.