Cita APA (7a ed.)
Howeler, R. H. (2012). Soil erosion control. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Howeler, Reinhardt H. Soil Erosion Control. International Center for Tropical Agriculture, 2012.
Cita MLA (9a ed.)
Howeler, Reinhardt H. Soil Erosion Control. International Center for Tropical Agriculture, 2012.
Precaución: Estas citas no son 100% exactas.