Cita APA (7a ed.)

Bowles, S., & Gintis, H. (2011). A cooperative species: Human reciprocity and its evolution. Princeton University Press.

Cita Chicago Style (17a ed.)

Bowles, Samuel, y Herbert Gintis. A Cooperative Species: Human Reciprocity and Its Evolution. Princeton ; London: Princeton University Press, 2011.

Cita MLA (9a ed.)

Bowles, Samuel, y Herbert Gintis. A Cooperative Species: Human Reciprocity and Its Evolution. Princeton University Press, 2011.