Cita APA (7a ed.)
Webster, R. (1977). Quantitative and numerical methods in soil classification and survey. Clarendon Press.
Cita Chicago Style (17a ed.)
Webster, R. Quantitative and Numerical Methods in Soil Classification and Survey. New York: Clarendon Press, 1977.
Cita MLA (9a ed.)
Webster, R. Quantitative and Numerical Methods in Soil Classification and Survey. Clarendon Press, 1977.
Precaución: Estas citas no son 100% exactas.