APA (7th ed.) Citation

Smith, R. L. (1972). The ecology of man: An ecosystem approach. Harper and Row.

Chicago Style (17th ed.) Citation

Smith, Robert Lee. The Ecology of Man: An Ecosystem Approach. New York: Harper and Row, 1972.

MLA (9th ed.) Citation

Smith, Robert Lee. The Ecology of Man: An Ecosystem Approach. Harper and Row, 1972.

Warning: These citations may not always be 100% accurate.