APA (7th ed.) Citation

Smith, R. L., Smith, T. M., Hickman, G. C., & Hickman, S. M. (2000). Elements of ecology (Fifth edition.). Benjamin Cummings.

Chicago Style (17th ed.) Citation

Smith, Robert Leo, T. M. Smith, Graham C. Hickman, and Susan M. Hickman. Elements of Ecology. Fifth edition. San Francisco: Benjamin Cummings, 2000.

MLA (8th ed.) Citation

Smith, Robert Leo, et al. Elements of Ecology. Fifth edition. Benjamin Cummings, 2000.