APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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