Cita APA (7a ed.)
Sheehy, J. E., Mitchell, P., Kirk, G. J., & Ferrer, A. B. (2005). Can smarter nitrogen fertilizers be designed? Matching nitrogen supply to crop requirements at high yields using a simple model. Elsevier.
Cita Chicago Style (17a ed.)
Sheehy, John E., P.L Mitchell, Guy J.D Kirk, y Anaida B. Ferrer. Can Smarter Nitrogen Fertilizers Be Designed? Matching Nitrogen Supply to Crop Requirements at High Yields Using a Simple Model. Elsevier, 2005.
Cita MLA (9a ed.)
Sheehy, John E., et al. Can Smarter Nitrogen Fertilizers Be Designed? Matching Nitrogen Supply to Crop Requirements at High Yields Using a Simple Model. Elsevier, 2005.
Precaución: Estas citas no son 100% exactas.