Cita APA (7th ed.)

Tyler, V. E., & Brady,Lynn R. (1993). Pharmacognosy (9th ed.). Lea & Febiger.

Cita Chicago (17th ed.)

Tyler, Varro E., i Brady,Lynn R. Pharmacognosy. 9th ed. Philadelphia: Lea & Febiger, 1993.

Cita MLA (9th ed.)

Tyler, Varro E., i Brady,Lynn R. Pharmacognosy. 9th ed. Lea & Febiger, 1993.