Zucker, L. G., Darby, M. R., & Peng, Y. (1998). Fundamentals or population dynamics and the geographic distribution of U.S. biotechnology enterprises, 1976-1989. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationZucker, Lynne G., Michael R. Darby, and Yusheng Peng. Fundamentals or Population Dynamics and the Geographic Distribution of U.S. Biotechnology Enterprises, 1976-1989. Cambride: National Bureau of Economic Research, 1998.
MLA (9th ed.) CitationZucker, Lynne G., et al. Fundamentals or Population Dynamics and the Geographic Distribution of U.S. Biotechnology Enterprises, 1976-1989. National Bureau of Economic Research, 1998.
Warning: These citations may not always be 100% accurate.