Cita APA (7a ed.)
Maurya, P., & Lal, R. (1980). Effects of no-tillage and ploughing on roots of maize and leguminous crops.
Cita Chicago Style (17a ed.)
Maurya, P.R, y R. Lal. Effects of No-tillage and Ploughing on Roots of Maize and Leguminous Crops. 1980.
Cita MLA (9a ed.)
Maurya, P.R, y R. Lal. Effects of No-tillage and Ploughing on Roots of Maize and Leguminous Crops. 1980.
Precaución: Estas citas no son 100% exactas.