ProQuest (Firm), Lerner, J., & Stern, S. (2012). The rate and direction of inventive activity revisited. Chicago: University of Chicago Press.
Chicago Style CitationProQuest (Firm), Joshua Lerner, and Scott Stern. The Rate and Direction of Inventive Activity Revisited. Chicago: University of Chicago Press, 2012.
MLA CitationProQuest (Firm), Joshua Lerner, and Scott Stern. The Rate and Direction of Inventive Activity Revisited. Chicago: University of Chicago Press, 2012.
Warning: These citations may not always be 100% accurate.