Cita APA (7a ed.)
Peng, S., & Cassman, K. G. (1998). Upper thresholds of nitrogen uptake rates and associated nitrogen fertilizer efficiencies in irrigated rice. Wiley.
Cita Chicago Style (17a ed.)
Peng, Shaobing, y Kenneth G. Cassman. Upper Thresholds of Nitrogen Uptake Rates and Associated Nitrogen Fertilizer Efficiencies in Irrigated Rice. Wiley, 1998.
Cita MLA (9a ed.)
Peng, Shaobing, y Kenneth G. Cassman. Upper Thresholds of Nitrogen Uptake Rates and Associated Nitrogen Fertilizer Efficiencies in Irrigated Rice. Wiley, 1998.
Precaución: Estas citas no son 100% exactas.