Richards, B. N., & Richards, B. N. (1976). Introduction to the soil ecosystem. New York, New York: Longman.
Chicago Style CitationRichards, Bryant N., and Bryant N. Richards. Introduction to the Soil Ecosystem. New York, New York: Longman, 1976.
MLA CitationRichards, Bryant N., and Bryant N. Richards. Introduction to the Soil Ecosystem. New York, New York: Longman, 1976.
Warning: These citations may not always be 100% accurate.