APA (7th ed.) Citation

Robinson, J. A., & Torvik, R. (2008). Endogenous presidentialism. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Robinson, James A., and Ragnar Torvik. Endogenous Presidentialism. Cambridge, Mass: National Bureau of Economic Research, 2008.

MLA (9th ed.) Citation

Robinson, James A., and Ragnar Torvik. Endogenous Presidentialism. National Bureau of Economic Research, 2008.