Cita APA (7a ed.)
Ghuman, B., & Lal, R. (1992). Effects of soil wetness at the time of land clearing on physical properties and crop response on an Ultisol in southern Nigeria. Elsevier.
Cita Chicago Style (17a ed.)
Ghuman, B.S, y R. Lal. Effects of Soil Wetness at the Time of Land Clearing on Physical Properties and Crop Response on an Ultisol in Southern Nigeria. Elsevier, 1992.
Cita MLA (9a ed.)
Ghuman, B.S, y R. Lal. Effects of Soil Wetness at the Time of Land Clearing on Physical Properties and Crop Response on an Ultisol in Southern Nigeria. Elsevier, 1992.
Precaución: Estas citas no son 100% exactas.