Cita APA (7th ed.)

Duke, J. A. (1985). Handbook of medical herbs. CRC Press.

Cita Chicago (17th ed.)

Duke, James A. Handbook of Medical Herbs. Boca Raton, Fla: CRC Press, 1985.

Cita MLA (9th ed.)

Duke, James A. Handbook of Medical Herbs. CRC Press, 1985.