Mulligan, C. B., & Sala i Martín, X. (1999). Gerontocracy, retirement, and social security. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationMulligan, Casey B., and Xavier Sala i Martín. Gerontocracy, Retirement, and Social Security. Cambridge, MA: National Bureau of Economic Research, 1999.
MLA (9th ed.) CitationMulligan, Casey B., and Xavier Sala i Martín. Gerontocracy, Retirement, and Social Security. National Bureau of Economic Research, 1999.
Warning: These citations may not always be 100% accurate.