Cita APA (7a ed.)

Trajtenberg, M., Henderson, R., & Jaffe, A. B. (1992). Ivory tower versus corporate lab: An empirical study of basic research and appropriability. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Trajtenberg, Manuel, Rebecca Henderson, y Adam B. Jaffe. Ivory Tower Versus Corporate Lab: An Empirical Study of Basic Research and Appropriability. Cambridge, MA: National Bureau of Economic Research, 1992.

Cita MLA (9a ed.)

Trajtenberg, Manuel, et al. Ivory Tower Versus Corporate Lab: An Empirical Study of Basic Research and Appropriability. National Bureau of Economic Research, 1992.