APA način citiranja

Hoffman, M., Yoeli, E., & Nowak, M. A. (2015). Cooperate without looking: Why we care what people think and not just what they do. Proc Natl Acad Sci U S A.

Čikaški stil citiranja

Hoffman, Moshe, Erez Yoeli, i Martin A. Nowak. "Cooperate Without Looking: Why We Care What People Think and Not Just What They Do." Proc Natl Acad Sci U S A 2015.

MLA način citiranja

Hoffman, Moshe, Erez Yoeli, i Martin A. Nowak. "Cooperate Without Looking: Why We Care What People Think and Not Just What They Do." Proc Natl Acad Sci U S A 2015.