JOHNSON, D. B., & WILLIAMSON, J. C. (1994). Conservation of mineral nitrogen in restored soils at opencast coal mine sites: I. Results from field studies of nitrogen transformations following restoration. Blackwell Publishing Ltd.
Chicago Style (17th ed.) CitationJOHNSON, D. B., and J. C. WILLIAMSON. Conservation of Mineral Nitrogen in Restored Soils at Opencast Coal Mine Sites: I. Results from Field Studies of Nitrogen Transformations Following Restoration. Oxford, UK: Blackwell Publishing Ltd, 1994.
MLA (9th ed.) CitationJOHNSON, D. B., and J. C. WILLIAMSON. Conservation of Mineral Nitrogen in Restored Soils at Opencast Coal Mine Sites: I. Results from Field Studies of Nitrogen Transformations Following Restoration. Blackwell Publishing Ltd, 1994.
Warning: These citations may not always be 100% accurate.