APA (7th ed.) Citation
Wortmann, C., Tarkalson, D., Shapiro, C., Dobermann, A., Ferguson, R., Hergert, G., & Walters, D. (2011). Nitrogen Use Efficiency of Irrigated Corn for Three Cropping Systems in Nebraska. Wiley.
Chicago Style (17th ed.) Citation
Wortmann, C.S, D.D Tarkalson, C.A Shapiro, A.R Dobermann, R.B Ferguson, G.W Hergert, and D. Walters. Nitrogen Use Efficiency of Irrigated Corn for Three Cropping Systems in Nebraska. Wiley, 2011.
MLA (9th ed.) Citation
Wortmann, C.S, et al. Nitrogen Use Efficiency of Irrigated Corn for Three Cropping Systems in Nebraska. Wiley, 2011.
Warning: These citations may not always be 100% accurate.