APA (7th ed.) Citation

Joyce, T. J., Gibson, D., & Colman, S. (2004). The changing association between prenatal participation in WIC and birth outcomes in New York City. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Joyce, Theodore J., Diane Gibson, and Silvie Colman. The Changing Association Between Prenatal Participation in WIC and Birth Outcomes in New York City. Cambridge, Mass: National Bureau of Economic Research, 2004.

MLA (9th ed.) Citation

Joyce, Theodore J., et al. The Changing Association Between Prenatal Participation in WIC and Birth Outcomes in New York City. National Bureau of Economic Research, 2004.

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