Cita APA (7th ed.)

Fetrow, C. W., & By , . A.. (2000). The complete guide to herbal medicines. Springhouse.

Cita Chicago (17th ed.)

Fetrow, Charles W., i Avila By. The Complete Guide to Herbal Medicines. Springhouse, PA.: Springhouse, 2000.

Cita MLA (9th ed.)

Fetrow, Charles W., i Avila By. The Complete Guide to Herbal Medicines. Springhouse, 2000.