Cita APA (7a ed.)

Evans, W. C., Evans, D., & Trease, G. E. Trease and Evans pharmacognosy (Sixteenth edition.).

Cita Chicago Style (17a ed.)

Evans, William Charles, Daphne Evans, y George Edward Trease. Trease and Evans Pharmacognosy. Sixteenth edition.

Cita MLA (8a ed.)

Evans, William Charles, et al. Trease and Evans Pharmacognosy. Sixteenth edition.