Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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