APA (7th ed.) Citation

Nelson, R. R. (1993). National innovation systems: A comparative analysis. Oxford University Press.

Chicago Style (17th ed.) Citation

Nelson, Richard R. National Innovation Systems: A Comparative Analysis. New York [etc.]: Oxford University Press, 1993.

MLA (9th ed.) Citation

Nelson, Richard R. National Innovation Systems: A Comparative Analysis. Oxford University Press, 1993.