Technical change, diffusion, and productivity

Chicago citation style
Campbell, Jeffrey R. Technical change, diffusion, and productivity. 1993. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102156505. (Accessed April 19, 2024.)
APA citation style
Campbell, Jeffrey R, (1993) Technical change, diffusion, and productivity. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102156505
MLA citation style
Campbell, Jeffrey R. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/102156505>.
Note: These citations are programmatically generated and may be incomplete.