APA (7th ed.) Citation

Engelhardt, G. V. 1., & Gruber, J. (2004). Social Security and the evolution of elderly poverty. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Engelhardt, Gary V. 19XX-, and Jonathan Gruber. Social Security and the Evolution of Elderly Poverty. Cambridge, Mass: National Bureau of Economic Research, 2004.

MLA (9th ed.) Citation

Engelhardt, Gary V. 19XX-, and Jonathan Gruber. Social Security and the Evolution of Elderly Poverty. National Bureau of Economic Research, 2004.

Warning: These citations may not always be 100% accurate.