Cita APA (7a ed.)
Lal, R., Wilson, G., & Okigbo, B. (1979). Changes in properties of an alfisol produced by various crop covers.
Cita Chicago Style (17a ed.)
Lal, R., G. Wilson, y B.N Okigbo. Changes in Properties of an Alfisol Produced by Various Crop Covers. 1979.
Cita MLA (9a ed.)
Lal, R., et al. Changes in Properties of an Alfisol Produced by Various Crop Covers. 1979.
Precaución: Estas citas no son 100% exactas.