APA (7th ed.) Citation

Acemoglu, D., Antràs, P., & Helpman, E. (2005). Contracts and the division of labor. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Acemoglu, Daron, Pol Antràs, and Elhanan Helpman. Contracts and the Division of Labor. Cambridge, Mass: National Bureau of Economic Research, 2005.

MLA (9th ed.) Citation

Acemoglu, Daron, et al. Contracts and the Division of Labor. National Bureau of Economic Research, 2005.