(1979). The encyclopedia of soil science. Dowden, Hutchinson & Ross.
Cita Chicago Style (17a ed.)The Encyclopedia of Soil Science. Strouds- burg, Penn.: Dowden, Hutchinson & Ross, 1979.
Cita MLA (9a ed.)The Encyclopedia of Soil Science. Dowden, Hutchinson & Ross, 1979.
Precaución: Estas citas no son 100% exactas.