Cita APA (7a ed.)
Lal, R. (1979). Soil erosion problems on an alfisol in western Nigeria and their control: IITA monograph No. 1.
Cita Chicago Style (17a ed.)
Lal, R. Soil Erosion Problems on an Alfisol in Western Nigeria and Their Control: IITA Monograph No. 1. 1979.
Cita MLA (9a ed.)
Lal, R. Soil Erosion Problems on an Alfisol in Western Nigeria and Their Control: IITA Monograph No. 1. 1979.
Precaución: Estas citas no son 100% exactas.