Cita APA (7a ed.)

Mulkay, B., Hall, B. H., & Mairesse, J. (2000). Firm level investment and R&D in France and the United States: A comparison. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Mulkay, Benoit, Bronwyn H. Hall, y Jacques Mairesse. Firm Level Investment and R&D in France and the United States: A Comparison. Cambridge, MA: National Bureau of Economic Research, 2000.

Cita MLA (9a ed.)

Mulkay, Benoit, et al. Firm Level Investment and R&D in France and the United States: A Comparison. National Bureau of Economic Research, 2000.