APA (7th ed.) Citation

Evans, W. C., Trease, G. E., & Evans, D. (2002). Trease and Evans' pharmacognosy (15th ed.). W.B. Saunders.

Chicago Style (17th ed.) Citation

Evans, William Charles, George Edward Trease, and Daphne Evans. Trease and Evans' Pharmacognosy. 15th ed. Edinburgh: W.B. Saunders, 2002.

MLA (9th ed.) Citation

Evans, William Charles, et al. Trease and Evans' Pharmacognosy. 15th ed. W.B. Saunders, 2002.