APA (7th ed.) Citation

Nelson, R. R. (1991). The role of firm differences in an evolutionary theory of technical advance. [s.n.].

Chicago Style (17th ed.) Citation

Nelson, Richard R. The Role of Firm Differences in an Evolutionary Theory of Technical Advance. [S.l.]: [s.n.], 1991.

MLA (9th ed.) Citation

Nelson, Richard R. The Role of Firm Differences in an Evolutionary Theory of Technical Advance. [s.n.], 1991.