Cook, R. L. (1962). Soil management: For conservation and production. John Wiley.
Cita Chicago Style (17a ed.)Cook, R. L. Soil Management: For Conservation and Production. New York: John Wiley, 1962.
Cita MLA (8a ed.)Cook, R. L. Soil Management: For Conservation and Production. John Wiley, 1962.
Precaución: Estas citas no son 100% exactas.