Evans, W. C., Evans, D., & Trease, G. E. Trease and Evans pharmacognosy (Sixteenth edition.).
Citazione stile Chigago Style (17a edizione)Evans, William Charles, Daphne Evans, e George Edward Trease. Trease and Evans Pharmacognosy. Sixteenth edition.
Citatione MLA (8a ed.)Evans, William Charles, et al. Trease and Evans Pharmacognosy. Sixteenth edition.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.