APA (7th ed.) Citation

Conley, D., Strully, K. W., & Bennett, N. G. (2003). A pound of flesh or just proxy?: Using twin differences to estimate the effect of birth weight on life chances. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Conley, Dalton, Kate W. Strully, and Neil G. Bennett. A Pound of Flesh or Just Proxy?: Using Twin Differences to Estimate the Effect of Birth Weight on Life Chances. Cambridge, Mass: National Bureau of Economic Research, 2003.

MLA (9th ed.) Citation

Conley, Dalton, et al. A Pound of Flesh or Just Proxy?: Using Twin Differences to Estimate the Effect of Birth Weight on Life Chances. National Bureau of Economic Research, 2003.

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