APA (7th ed.) Citation

Bernard, A. B., Redding, S., & Schott, P. K. (2004). Comparative advantage and heterogenous firms. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Bernard, Andrew B., Stephen Redding, and Peter K. Schott. Comparative Advantage and Heterogenous Firms. Cambridge, Mass: National Bureau of Economic Research, 2004.

MLA (9th ed.) Citation

Bernard, Andrew B., et al. Comparative Advantage and Heterogenous Firms. National Bureau of Economic Research, 2004.