Cita APA (7a ed.)

Guo, S., & Fraser, M. W. (2010). Propensity score analysis: Statistical methods and applications. Sage.

Cita Chicago Style (17a ed.)

Guo, Shenyang, y Mark W. Fraser. Propensity Score Analysis: Statistical Methods and Applications. Los Angeles [etc.]: Sage, 2010.

Cita MLA (9a ed.)

Guo, Shenyang, y Mark W. Fraser. Propensity Score Analysis: Statistical Methods and Applications. Sage, 2010.