APA (7th ed.) Citation

Sachs, J. D., & Warner, A. M. (1995). Natural resource abundance and economic growth. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Sachs, Jeffrey D., and Andrew M. Warner. Natural Resource Abundance and Economic Growth. Cambridge: National Bureau of Economic Research, 1995.

MLA (9th ed.) Citation

Sachs, Jeffrey D., and Andrew M. Warner. Natural Resource Abundance and Economic Growth. National Bureau of Economic Research, 1995.