Cita APA (7th ed.)

Trease, G. E. (1978). Pharmacognosy (11th.). New York.

Cita Chicago (17th ed.)

Trease, George Edward. Pharmacognosy. 11th. cassel & collier macmillan publisher Ltd: New York, 1978.

Cita MLA (9th ed.)

Trease, George Edward. Pharmacognosy. 11th. New York, 1978.