Smith, R. L. (1976). The ecology of man: An ecosystem approach (2. ed.). Harper & Row.
Chicago Style (17th ed.) CitationSmith, Robert Leo. The Ecology of Man: An Ecosystem Approach. 2. ed. New York [u.a.]: Harper & Row, 1976.
MLA (8th ed.) CitationSmith, Robert Leo. The Ecology of Man: An Ecosystem Approach. 2. ed. Harper & Row, 1976.
Warning: These citations may not always be 100% accurate.