To cite bacr in publications use:

Chi Wang, Francesca Dominici, Giovanni Parmigiani, Corwin Matthew Zigler (2015). Accounting for uncertainty in confounder and effect modifier selection when estimating average causal effects in generalized linear models. Biometrics, 71(3), 654-665.

Corresponding BibTeX entry:

  @Article{,
    title = {Accounting for uncertainty in confounder and effect
      modifier selection when estimating average causal effects in
      generalized linear models},
    author = {Chi Wang and Francesca Dominici and Giovanni Parmigiani
      and Corwin Matthew Zigler},
    journal = {Biometrics},
    year = {2015},
    volume = {71},
    number = {3},
    pages = {654--665},
  }