APA (7th ed.) Citation

Goldfrank, W. L., Goodman, D., & Szasz, A. (1999). Ecology and the world-system. Greenwood Press.

Chicago Style (17th ed.) Citation

Goldfrank, Walter L., David Goodman, and Andrew Szasz. Ecology and the World-system. London: Greenwood Press, 1999.

MLA (9th ed.) Citation

Goldfrank, Walter L., et al. Ecology and the World-system. Greenwood Press, 1999.