Cita APA (7a ed.)

Weitzman, M. L. (1999). A contribution to the theory of welfare comparisons. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Weitzman, Martin L. A Contribution to the Theory of Welfare Comparisons. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Weitzman, Martin L. A Contribution to the Theory of Welfare Comparisons. National Bureau of Economic Research, 1999.