APA (7th ed.) Citation

McDonnell, M. J., & Pickett, S. T. A. (1993). Humans as components of ecosystems: The ecology of subtle human effects and populated areas. Springer.

Chicago Style (17th ed.) Citation

McDonnell, Mark J., and Steward T. A. Pickett. Humans as Components of Ecosystems: The Ecology of Subtle Human Effects and Populated Areas. New York, USA: Springer, 1993.

MLA (9th ed.) Citation

McDonnell, Mark J., and Steward T. A. Pickett. Humans as Components of Ecosystems: The Ecology of Subtle Human Effects and Populated Areas. Springer, 1993.