APA (7th ed.) Citation

Smith, R. L. (1966). Ecology and field biology (3rd ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Smith, Robert Leo. Ecology and Field Biology. 3rd ed. New York: Harper & Row, 1966.

MLA (9th ed.) Citation

Smith, Robert Leo. Ecology and Field Biology. 3rd ed. Harper & Row, 1966.