Cita APA (7a ed.)

David, P. A., & Hall, B. H. (2000). Heart of darkness: Modeling public-private funding interactions inside the R&D black box. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

David, Paul A., y Bronwyn H. Hall. Heart of Darkness: Modeling Public-private Funding Interactions Inside the R&D Black Box. Cambridge, MA: National Bureau of Economic Research, 2000.

Cita MLA (9a ed.)

David, Paul A., y Bronwyn H. Hall. Heart of Darkness: Modeling Public-private Funding Interactions Inside the R&D Black Box. National Bureau of Economic Research, 2000.