APA (7th ed.) Citation

Axelrod, R. M., & Dawkins, R. (1990). The evolution of cooperation. Penguin.

Chicago Style (17th ed.) Citation

Axelrod, Robert M., and Richard Dawkins. The Evolution of Cooperation. London [etc.]: Penguin, 1990.

MLA (9th ed.) Citation

Axelrod, Robert M., and Richard Dawkins. The Evolution of Cooperation. Penguin, 1990.