Cita APA (7a ed.)
Bockstael, N. E., Strand, I. E., & McConnell, K. E. (1990). Sample selection bias in the estimation of recreation demand functions: An application to sportfishing. Land Economics, 66, 40-50.
Cita Chicago Style (17a ed.)
Bockstael, Nancy E., Ivar E. Strand, y Kenneth E. McConnell. "Sample Selection Bias in the Estimation of Recreation Demand Functions: An Application to Sportfishing." Land Economics 66 (1990): 40-50.
Cita MLA (9a ed.)
Bockstael, Nancy E., et al. "Sample Selection Bias in the Estimation of Recreation Demand Functions: An Application to Sportfishing." Land Economics, vol. 66, 1990, pp. 40-50.
Precaución: Estas citas no son 100% exactas.