APA citiranje

Sauer, B. C., Brookhart, A., Roy, J., & Vanderweele, T. (2013). A Review of Covariate Selection for Nonexperimental Comparative Effectiveness Research.

Citação norma Chicago

Sauer, Brian C., Alan Brookhart, Jason Roy, and Tyler Vanderweele. A Review of Covariate Selection for Nonexperimental Comparative Effectiveness Research. 2013.

MLA citiranje

Sauer, Brian C., Alan Brookhart, Jason Roy, and Tyler Vanderweele. A Review of Covariate Selection for Nonexperimental Comparative Effectiveness Research. 2013.