ScienceDirect (Online service) & Follett, R. F. (1989). Nitrogen management and ground water protection. Elsevier.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and R. F. Follett. Nitrogen Management and Ground Water Protection. Amsterdam ; New York: Elsevier, 1989.
MLA (9th ed.) CitationScienceDirect (Online service) and R. F. Follett. Nitrogen Management and Ground Water Protection. Elsevier, 1989.
Warning: These citations may not always be 100% accurate.