APA (7th ed.) Citation

Trease, G. E., & By Evans , W. C. (1971). Pharmacognosy (10th ed.). Bailliere Tindall.

Chicago Style (17th ed.) Citation

Trease, George Edward, and William Charles By Evans. Pharmacognosy. 10th ed. London: Bailliere Tindall, 1971.

MLA (9th ed.) Citation

Trease, George Edward, and William Charles By Evans. Pharmacognosy. 10th ed. Bailliere Tindall, 1971.