Cita APA (7a ed.)
Cameron, T. A. (1992). Combining contingent valuation and travel cost data for the valuation of nonmarket goods. Land Economics, 68, 302-318.
Cita Chicago Style (17a ed.)
Cameron, Trudy Ann. "Combining Contingent Valuation and Travel Cost Data for the Valuation of Nonmarket Goods." Land Economics 68 (1992): 302-318.
Cita MLA (9a ed.)
Cameron, Trudy Ann. "Combining Contingent Valuation and Travel Cost Data for the Valuation of Nonmarket Goods." Land Economics, vol. 68, 1992, pp. 302-318.
Precaución: Estas citas no son 100% exactas.