APA način citiranja

Espinola-Arredondo, A. Free-riding and cooperation in environmental games.

Čikaški stil citiranja

Espinola-Arredondo, Ana. Free-riding and Cooperation in Environmental Games.

MLA način citiranja

Espinola-Arredondo, Ana. Free-riding and Cooperation in Environmental Games.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.