Cita APA (7a ed.)
Powell, J., Ikpe, F., Somda, Z., & Fernández Rivera, S. (1998). Urine effects on soil chemical properties and the impact of urine and dung on pearl millet yield. Cambridge University Press.
Cita Chicago Style (17a ed.)
Powell, J.M, F.N Ikpe, Z.C Somda, y S. Fernández Rivera. Urine Effects on Soil Chemical Properties and the Impact of Urine and Dung on Pearl Millet Yield. Cambridge University Press, 1998.
Cita MLA (9a ed.)
Powell, J.M, et al. Urine Effects on Soil Chemical Properties and the Impact of Urine and Dung on Pearl Millet Yield. Cambridge University Press, 1998.
Precaución: Estas citas no son 100% exactas.