Cita APA

Evans, W. C., & Evans, D. (2009). Trease and Evans pharmacognosy (16. edition.). Edinburgh: Saunders Elsevier.

Citación estilo Chicago

Evans, William Charles, y Daphne Evans. Trease and Evans Pharmacognosy. 16. edition. Edinburgh: Saunders Elsevier, 2009.

Cita MLA

Evans, William Charles, y Daphne Evans. Trease and Evans Pharmacognosy. 16. edition. Edinburgh: Saunders Elsevier, 2009.