APA (7th ed.) Citation

Cohen, W. M., & Klepper, S. (1990). Firm size versus diversity in the achievement of technological advance.

Chicago Style (17th ed.) Citation

Cohen, Wesley M., and Steven Klepper. Firm Size Versus Diversity in the Achievement of Technological Advance. Berlin, 1990.

MLA (9th ed.) Citation

Cohen, Wesley M., and Steven Klepper. Firm Size Versus Diversity in the Achievement of Technological Advance. 1990.