Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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