APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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