APA
Wolf B., Snyder G. H., . (2003). Sustainable soils. New York: Food Products Press.
Chicago
Wolf Benjamin, Snyder George H, . 2003. Sustainable soils. New York: Food Products Press.
Harvard
Wolf B., Snyder G. H., . (2003). Sustainable soils. New York: Food Products Press.
MLA
Wolf Benjamin, Snyder George H, . Sustainable soils. New York: Food Products Press. 2003.