APA (7th ed.) Citation

Trease, G. E., & By ,Evans , . W. C. (1983). Pharmacognosy (12th ed.). Bailliere Tindall.

Chicago Style (17th ed.) Citation

Trease, George Edward, and William Charls By ,Evans. Pharmacognosy. 12th ed. London: Bailliere Tindall, 1983.

MLA (9th ed.) Citation

Trease, George Edward, and William Charls By ,Evans. Pharmacognosy. 12th ed. Bailliere Tindall, 1983.