APA (7th ed.) Citation
Ferguson, R., Shapiro, C., Hergert, G., Kranz, W., Klocke, N., & Krull, D. (1991). Nitrogen and irrigation management practices to minimize nitrate leaching from irrigated corn.
Chicago Style (17th ed.) Citation
Ferguson, R.B, C.A Shapiro, G.W Hergert, W.L Kranz, N.L Klocke, and D.H Krull. Nitrogen and Irrigation Management Practices to Minimize Nitrate Leaching from Irrigated Corn. 1991.
MLA (9th ed.) Citation
Ferguson, R.B, et al. Nitrogen and Irrigation Management Practices to Minimize Nitrate Leaching from Irrigated Corn. 1991.
Warning: These citations may not always be 100% accurate.