APA (7th ed.) Citation

Hansen, Z. K., & Libecap, G. D. (2003). Small farms, externalities, and the Dust Bowl of the 1930s. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Hansen, Zeynep Kocabiyik, and Gary D. Libecap. Small Farms, Externalities, and the Dust Bowl of the 1930s. Cambridge, Mass: National Bureau of Economic Research, 2003.

MLA (9th ed.) Citation

Hansen, Zeynep Kocabiyik, and Gary D. Libecap. Small Farms, Externalities, and the Dust Bowl of the 1930s. National Bureau of Economic Research, 2003.