Cita APA (7a ed.)

Morgan, S. L., & Winship, C. (2015). Counterfactuals and causal inference: Methods and principles for social research (2nd ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Morgan, Stephen L., y Christopher Winship. Counterfactuals and Causal Inference: Methods and Principles for Social Research. 2nd ed. New York: Cambridge University Press, 2015.

Cita MLA (9a ed.)

Morgan, Stephen L., y Christopher Winship. Counterfactuals and Causal Inference: Methods and Principles for Social Research. 2nd ed. Cambridge University Press, 2015.