APA (7th ed.) Citation

Sala-i-Martin, X. X. (1997). I just ran four million regressions. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Sala-i-Martin, Xavier X. I Just Ran Four Million Regressions. Cambridge: National Bureau of Economic Research, 1997.

MLA (9th ed.) Citation

Sala-i-Martin, Xavier X. I Just Ran Four Million Regressions. National Bureau of Economic Research, 1997.