APA (7th ed.) Citation

Smith, R. L. (1986). Elements of ecology (2nd edition.). Harper & Row, Publishers.

Chicago Style (17th ed.) Citation

Smith, Robert Leo. Elements of Ecology. 2nd edition. Philadelphia: Harper & Row, Publishers, 1986.

MLA (8th ed.) Citation

Smith, Robert Leo. Elements of Ecology. 2nd edition. Harper & Row, Publishers, 1986.

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