Cita APA (7a ed.)

Lerner, J., & Stern, S. (2012). The rate and direction of inventive activity revisited. University of Chicago Press.

Cita Chicago Style (17a ed.)

Lerner, Joshua, y Scott Stern. The Rate and Direction of Inventive Activity Revisited. Chicago [etc.]: University of Chicago Press, 2012.

Cita MLA (9a ed.)

Lerner, Joshua, y Scott Stern. The Rate and Direction of Inventive Activity Revisited. University of Chicago Press, 2012.