APA (7th ed.) Citation

Crepon, B., Duguet, E., & Mairesse, J. (1998). Research, innovation, and productivity: An econometric analysis at the firm level. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Crepon, Bruno, Emmnauel Duguet, and Jacques Mairesse. Research, Innovation, and Productivity: An Econometric Analysis at the Firm Level. Cambridge: National Bureau of Economic Research, 1998.

MLA (9th ed.) Citation

Crepon, Bruno, et al. Research, Innovation, and Productivity: An Econometric Analysis at the Firm Level. National Bureau of Economic Research, 1998.