APA (7th ed.) Citation

Hall, R. E., & Jones, C. I. (1998). Why do some countries produce so much more output per worker than others? National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Hall, Robert Ernest, and Charles Irving Jones. Why Do Some Countries Produce so Much More Output Per Worker than Others? Cambridge, MA: National Bureau of Economic Research, 1998.

MLA (9th ed.) Citation

Hall, Robert Ernest, and Charles Irving Jones. Why Do Some Countries Produce so Much More Output Per Worker than Others? National Bureau of Economic Research, 1998.