Cita APA

Schepers, J. S., Raun, W. R., Follett, R. F., Fox, R. H., Randall, G. W., Baltensperger, D., . . . Al-Amoodi, L. (2008). Nitrogen in agricultural systems. Wisconsin, Estados Unidos: American Society of Agronomy, Inc. ; Crop Science Society of America, Inc. ; Soil Science Society of America, Inc..

Citación estilo Chicago

Schepers, J. S.,, et al. Nitrogen in Agricultural Systems. Wisconsin, Estados Unidos: American Society of Agronomy, Inc. ; Crop Science Society of America, Inc. ; Soil Science Society of America, Inc., 2008.

Cita MLA

Schepers, J. S.,, et al. Nitrogen in Agricultural Systems. Wisconsin, Estados Unidos: American Society of Agronomy, Inc. ; Crop Science Society of America, Inc. ; Soil Science Society of America, Inc., 2008.