APA Edition Citation

Heckman, J. J. &. L. (2007). Habdbook of Econometrics: Volume 6A.

Chicago Edition Citation

Heckman, James J & Leamer. Habdbook of Econometrics: Volume 6A. North-Holland & Elsevier, 2007.

MLA Edition Citation

Heckman, James J & Leamer. Habdbook of Econometrics: Volume 6A. 2007.

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