APA (7th ed.) Zitazioa

Tyler, V. E., Brady, L. R., & Robbers, J. E. (1988). Pharmacognosy (9th ed.). Lea & Febiger.

Chicago Style (17th ed.) Zitazioa

Tyler, Varro E., Lynn R. Brady, eta James E. Robbers. Pharmacognosy. 9th ed. Philadelphia: Lea & Febiger, 1988.

MLA (9th ed.) Zitazioa

Tyler, Varro E., et al. Pharmacognosy. 9th ed. Lea & Febiger, 1988.