Cita APA (7a ed.)
Ghuman, B., & Lal, R. (1990). Nutrient addition into soil by leaves of Cassia siemea and Gliricidia sepium growth on an alfisol in southern Nigeria. Springer.
Cita Chicago Style (17a ed.)
Ghuman, B.S, y R. Lal. Nutrient Addition into Soil by Leaves of Cassia Siemea and Gliricidia Sepium Growth on an Alfisol in Southern Nigeria. Springer, 1990.
Cita MLA (9a ed.)
Ghuman, B.S, y R. Lal. Nutrient Addition into Soil by Leaves of Cassia Siemea and Gliricidia Sepium Growth on an Alfisol in Southern Nigeria. Springer, 1990.
Precaución: Estas citas no son 100% exactas.