APA (7th ed.) Citation

McDonnell, M. J., & Pickett, S. T. (1997). Humans as components of ecosystems: The ecology of subtle human effects and polpulated areas. Springer.

Chicago Style (17th ed.) Citation

McDonnell, Mark J., and Steward T. Pickett. Humans as Components of Ecosystems: The Ecology of Subtle Human Effects and Polpulated Areas. New York: Springer, 1997.

MLA (9th ed.) Citation

McDonnell, Mark J., and Steward T. Pickett. Humans as Components of Ecosystems: The Ecology of Subtle Human Effects and Polpulated Areas. Springer, 1997.