APA
Evans W. C., . (2009). Trease and Evans pharmacognosy .-16th ed .-978-0-7020-2934-9. Saunders Elsevier, Edinburgh: .
Chicago
Evans William Charles, . 2009. Trease and Evans pharmacognosy .-16th ed .-978-0-7020-2934-9. Saunders Elsevier, Edinburgh: .
Harvard
Evans W. C., . (2009). Trease and Evans pharmacognosy .-16th ed .-978-0-7020-2934-9. Saunders Elsevier, Edinburgh: .
MLA
Evans William Charles, . Trease and Evans pharmacognosy .-16th ed .-978-0-7020-2934-9. Saunders Elsevier, Edinburgh: . 2009.