APA
Zucker L. G., Peng Yusheng & Darby Michael R. (1998). Fundamentals or population dynamics and the geographic distribution of U.S. biotechnology enterprises, 1976-1989. Cambridge, MA: NBER.
Chicago
Zucker Lynne G, Peng Yusheng and Darby Michael R. 1998. Fundamentals or population dynamics and the geographic distribution of U.S. biotechnology enterprises, 1976-1989. Cambridge, MA: NBER.
Harvard
Zucker L. G., Peng Yusheng and Darby Michael R. (1998). Fundamentals or population dynamics and the geographic distribution of U.S. biotechnology enterprises, 1976-1989. Cambridge, MA: NBER.
MLA
Zucker Lynne G, Peng Yusheng and Darby Michael R. Fundamentals or population dynamics and the geographic distribution of U.S. biotechnology enterprises, 1976-1989. Cambridge, MA: NBER. 1998.
TextSeries: Publication details: Cambridge, MA NBER 1998Description: 57pISBN: 
Working Papers (Print)
