Cita APA (7a ed.)

Greiff, M. (2011). Social approval as an incentive: The voluntary provision of public goods in social production communities. Peter Lang.

Cita Chicago Style (17a ed.)

Greiff, Matthias. Social Approval as an Incentive: The Voluntary Provision of Public Goods in Social Production Communities. Frankfurt am Main [etc.]: Peter Lang, 2011.

Cita MLA (9a ed.)

Greiff, Matthias. Social Approval as an Incentive: The Voluntary Provision of Public Goods in Social Production Communities. Peter Lang, 2011.