APA Edition Citation

Smith, R. L. (1990). Ecology and field biology (4th ed.). Harper and Row.

Chicago Edition Citation

Smith, Robert Leo. Ecology and Field Biology. 4th ed. New York: Harper and Row, 1990.

MLA Edition Citation

Smith, Robert Leo. Ecology and Field Biology. 4th ed. Harper and Row, 1990.

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