Cita APA (7a ed.)
Shaw, W. D., & Feather, P. (1999). Possibilities for including the opportunity cost of time in recreation demand systems. Land Economics, 75(4), 592-603.
Cita Chicago Style (17a ed.)
Shaw, W. Douglass, y Peter Feather. "Possibilities for Including the Opportunity Cost of Time in Recreation Demand Systems." Land Economics 75, no. 4 (1999): 592-603.
Cita MLA (9a ed.)
Shaw, W. Douglass, y Peter Feather. "Possibilities for Including the Opportunity Cost of Time in Recreation Demand Systems." Land Economics, vol. 75, no. 4, 1999, pp. 592-603.
Precaución: Estas citas no son 100% exactas.