Soil conservation /
Norman Hudson.
APA Citation
Hudson, N. (1995). Soil conservation. Fully rev. and updated, 3rd ed. Ames: Iowa State University Press.
MLA Citation
Hudson, Norman. Soil Conservation. Fully rev. and updated, 3rd ed. Ames: Iowa State University Press, 1995.
Warning: These citations may not always be complete (especially for serials).