Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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