APA (7th ed.) Citation

Trease, G. E., & Evans, W. C. (1978). Pharmacognosy (11. ed.). Baillière Tindall.

Chicago Style (17th ed.) Citation

Trease, George Edward, and William Charles Evans. Pharmacognosy. 11. ed. London: Baillière Tindall, 1978.

MLA (9th ed.) Citation

Trease, George Edward, and William Charles Evans. Pharmacognosy. 11. ed. Baillière Tindall, 1978.