APA Citation

Heckman, J. J., & Karapakula, G. (2019). Intergenerational and Intragenerational externalities of the Perry Preschool Project. Bonn: IZA Institute of Labor Economics.

Chicago Citation

Heckman, James J., and Ganesh Karapakula. Intergenerational and Intragenerational Externalities of the Perry Preschool Project. Bonn: IZA Institute of Labor Economics, 2019.

MLA Citation

Heckman, James J., and Ganesh Karapakula. Intergenerational and Intragenerational Externalities of the Perry Preschool Project. Bonn: IZA Institute of Labor Economics, 2019.

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