APA (7th ed.) Citation

Williamson, T., & O'Hear, A. (2009). Knowledge of counterfactuals. Cambridge University Press.

Chicago Style (17th ed.) Citation

Williamson, T., and A. O'Hear. Knowledge of Counterfactuals. Cambridge University Press, 2009.

MLA (9th ed.) Citation

Williamson, T., and A. O'Hear. Knowledge of Counterfactuals. Cambridge University Press, 2009.