APA (7th ed.) Citation

Heckman, J. J., Lochner, L., & Taber, C. (1998). Tax policy and human capital formation.

Chicago Style (17th ed.) Citation

Heckman, James J., Lance Lochner, and Christopher Taber. Tax Policy and Human Capital Formation. Cambridge, Mass, 1998.

MLA (9th ed.) Citation

Heckman, James J., et al. Tax Policy and Human Capital Formation. 1998.