APA

Young A., . (1976). Tropical soils and soil survey. New York: Cambridge university press.

Chicago

Young Anthony, . 1976. Tropical soils and soil survey. New York: Cambridge university press.

Harvard

Young A., . (1976). Tropical soils and soil survey. New York: Cambridge university press.

MLA

Young Anthony, . Tropical soils and soil survey. New York: Cambridge university press. 1976.