Cita APA (7a ed.)
Hulugalle, N., Lal, R., & Gichuru, M. (1990). Effect of five years of no-tillage and mulch on soil properties and tuber yield of cassava on an acid Ultisol in southeastern Nigeria.
Cita Chicago Style (17a ed.)
Hulugalle, N., R. Lal, y M. Gichuru. Effect of Five Years of No-tillage and Mulch on Soil Properties and Tuber Yield of Cassava on an Acid Ultisol in Southeastern Nigeria. 1990.
Cita MLA (9a ed.)
Hulugalle, N., et al. Effect of Five Years of No-tillage and Mulch on Soil Properties and Tuber Yield of Cassava on an Acid Ultisol in Southeastern Nigeria. 1990.
Precaución: Estas citas no son 100% exactas.