Cita APA (7a ed.)
Ready, R. C., Navrud, S., & Dubourg, W. R. (2001). How do respondents with uncertain willingness to pay answer contingent valuation questions? Land Economics, 77(3), 315-327.
Cita Chicago Style (17a ed.)
Ready, Richard C., Stå;le Navrud, y W. Richard Dubourg. "How Do Respondents with Uncertain Willingness to Pay Answer Contingent Valuation Questions?" Land Economics 77, no. 3 (2001): 315-327.
Cita MLA (9a ed.)
Ready, Richard C., et al. "How Do Respondents with Uncertain Willingness to Pay Answer Contingent Valuation Questions?" Land Economics, vol. 77, no. 3, 2001, pp. 315-327.
Precaución: Estas citas no son 100% exactas.