APA (7th ed.) Citation

Soon, Y. K., Clayton, G. W., & Rice, W. A. (2001). Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System. Agronomy Journal, 93(4), 842.

Chicago Style (17th ed.) Citation

Soon, Yoong Kee, George W. Clayton, and Wendell A. Rice. "Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System." Agronomy Journal 93, no. 4 (2001): 842.

MLA (9th ed.) Citation

Soon, Yoong Kee, et al. "Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System." Agronomy Journal, vol. 93, no. 4, 2001, p. 842.