Box, J., Todd, R. L., & Groffman, P. M. (1984). Effects of artificial drainage on soil mineral nitrogen dynamics in winter wheat on the southern Piedmont. Communications in Soil Science & Plant Analysis, 15(9), 1051.
Chicago Style (17th ed.) CitationBox, Jr, R. L. Todd, and P. M. Groffman. "Effects of Artificial Drainage on Soil Mineral Nitrogen Dynamics in Winter Wheat on the Southern Piedmont." Communications in Soil Science & Plant Analysis 15, no. 9 (1984): 1051.
MLA (9th ed.) CitationBox, Jr, et al. "Effects of Artificial Drainage on Soil Mineral Nitrogen Dynamics in Winter Wheat on the Southern Piedmont." Communications in Soil Science & Plant Analysis, vol. 15, no. 9, 1984, p. 1051.
Warning: These citations may not always be 100% accurate.