Cita APA (7a ed.)

Bradford, D. F., & Hildebrandt, G. G. Observable preferences for public goods.

Cita Chicago Style (17a ed.)

Bradford, David F., y Gregory G. Hildebrandt. Observable Preferences for Public Goods.

Cita MLA (8a ed.)

Bradford, David F., y Gregory G. Hildebrandt. Observable Preferences for Public Goods.