APA
Zucker L. G., National Bureau of Economic Research, Darby M. R. & Fong J. (2011). Communitywide database designs for tracking innovation impact. Cambridge: NBER.
Chicago
Zucker Lynne G, National Bureau of Economic Research, Darby Michael R and Fong Jason. 2011. Communitywide database designs for tracking innovation impact. Cambridge: NBER.
Harvard
Zucker L. G., National Bureau of Economic Research, Darby M. R. and Fong J. (2011). Communitywide database designs for tracking innovation impact. Cambridge: NBER.
MLA
Zucker Lynne G, National Bureau of Economic Research, Darby Michael R and Fong Jason. Communitywide database designs for tracking innovation impact. Cambridge: NBER. 2011.