APA (7th ed.) Citation

Smith, S., & Reeves, E. (1989). Human systems ecology: Studies in the integration of political economy, adaptations, and socionatural regions. Westview Press.

Chicago Style (17th ed.) Citation

Smith, Sheldon, and Ed Reeves. Human Systems Ecology: Studies in the Integration of Political Economy, Adaptations, and Socionatural Regions. Boulder: Westview Press, 1989.

MLA (9th ed.) Citation

Smith, Sheldon, and Ed Reeves. Human Systems Ecology: Studies in the Integration of Political Economy, Adaptations, and Socionatural Regions. Westview Press, 1989.