Gaya APA

Evans, W, C., Trease, G, E. (1978). Pharmacognosy (11th Ed.). New York: Bailliere Tindall & Cascel.

Gaya MLA

Evans, William, Charles., Trease, George, Edward. "Pharmacognosy". 11th Ed. New York: Bailliere Tindall & Cascel, 1978. Text.