APA (7th ed.) Citation

Bowles, S., & Gintis, H. (2011). A Cooperative Species: Human Reciprocity and Its Evolution.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.