Kramer, P. (1949). Plants and soil water relationships. McGraw-Hill.
Cita Chicago Style (17a ed.)Kramer, Paul. Plants and Soil Water Relationships. New York: McGraw-Hill, 1949.
Cita MLA (8a ed.)Kramer, Paul. Plants and Soil Water Relationships. McGraw-Hill, 1949.
Precaución: Estas citas no son 100% exactas.