APA (7th ed.) Citation

Baldwin, R. E., & Okubo, T. (2005). Heterogenous firms, agglomeration and economic geography: Spatial selection and sorting. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Baldwin, Richard E., and Toshihiro Okubo. Heterogenous Firms, Agglomeration and Economic Geography: Spatial Selection and Sorting. Cambridge, Mass: National Bureau of Economic Research, 2005.

MLA (9th ed.) Citation

Baldwin, Richard E., and Toshihiro Okubo. Heterogenous Firms, Agglomeration and Economic Geography: Spatial Selection and Sorting. National Bureau of Economic Research, 2005.