APA
Bleakley H., Lin Jeffrey & National Bureau Of Economic Research. (2010). Portage: Path Dependence and Increasing Returns in U.S. Hist. Cambridge: NBER.
Chicago
Bleakley Hoyt, Lin Jeffrey and National Bureau Of Economic Research. 2010. Portage: Path Dependence and Increasing Returns in U.S. Hist. Cambridge: NBER.
Harvard
Bleakley H., Lin Jeffrey and National Bureau Of Economic Research. (2010). Portage: Path Dependence and Increasing Returns in U.S. Hist. Cambridge: NBER.
MLA
Bleakley Hoyt, Lin Jeffrey and National Bureau Of Economic Research. Portage: Path Dependence and Increasing Returns in U.S. Hist. Cambridge: NBER. 2010.
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