Cita APA (7a ed.)

Levine, P. B. (2002). The impact of social policy and economic activity throughout the fertility decision tree. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Levine, Phillip B. The Impact of Social Policy and Economic Activity Throughout the Fertility Decision Tree. Cambridge, MA: National Bureau of Economic Research, 2002.

Cita MLA (9a ed.)

Levine, Phillip B. The Impact of Social Policy and Economic Activity Throughout the Fertility Decision Tree. National Bureau of Economic Research, 2002.