APA (7th ed.) Citation

Engelhardt, G. V., Gruber, J., & Perry, C. D. (2002). Social security and elderly living arrangements. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Engelhardt, Gary V., Jonathan Gruber, and Cynthia D. Perry. Social Security and Elderly Living Arrangements. Cambridge: National Bureau of Economic Research, 2002.

MLA (9th ed.) Citation

Engelhardt, Gary V., et al. Social Security and Elderly Living Arrangements. National Bureau of Economic Research, 2002.