Cita APA

Morgan, S. L. 1., & Winship, C. 1. (2007). Counterfactuals and causal inference: Methods and principles for social research. New York, N.Y.: Cambridge University Press.

Citación estilo Chicago

Morgan, Stephen Lawrence 1971-, y Christopher 1950- Winship. Counterfactuals and Causal Inference: Methods and Principles for Social Research. New York, N.Y.: Cambridge University Press, 2007.

Cita MLA

Morgan, Stephen Lawrence 1971-, y Christopher 1950- Winship. Counterfactuals and Causal Inference: Methods and Principles for Social Research. New York, N.Y.: Cambridge University Press, 2007.