Sala-i-Martin, X. (1997). I just ran four million regressions.
Chicago Style (17th ed.) CitationSala-i-Martin, Xavier. I Just Ran Four Million Regressions. Cambridge, Mass, 1997.
MLA (9th ed.) CitationSala-i-Martin, Xavier. I Just Ran Four Million Regressions. 1997.
Warning: These citations may not always be 100% accurate.