APA (7th ed.) Citation
Peng, S., & Cassman, K. G. (1998). Upper thresholds of nitrogen uptake rates and associated nitrogen fertilizer efficiencies in irrigated rice. Wiley.
Chicago Style (17th ed.) Citation
Peng, Shaobing, and Kenneth G. Cassman. Upper Thresholds of Nitrogen Uptake Rates and Associated Nitrogen Fertilizer Efficiencies in Irrigated Rice. Wiley, 1998.
MLA (9th ed.) Citation
Peng, Shaobing, and Kenneth G. Cassman. Upper Thresholds of Nitrogen Uptake Rates and Associated Nitrogen Fertilizer Efficiencies in Irrigated Rice. Wiley, 1998.
Warning: These citations may not always be 100% accurate.