Sumner, M. E. (2000). Handbook of soil science (1st edition.). CRC.
Cita Chicago Style (17a ed.)Sumner, Malcolm E. Handbook of Soil Science. 1st edition. New York: CRC, 2000.
Cita MLA (8a ed.)Sumner, Malcolm E. Handbook of Soil Science. 1st edition. CRC, 2000.
Precaución: Estas citas no son 100% exactas.