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.

A BibTeX entry for LaTeX users is

  @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},
  }