To cite bcf in publications use:

Hahn, P. Richard, Jared S. Murray, and Carlos M. Carvalho (2017). Bayesian regression tree models for causal inference: regularization, confounding, and heterogeneous effects. URL https://arxiv.org/abs/1706.09523.

Corresponding BibTeX entry:

  @Misc{,
    title = {Bayesian regression tree models for causal inference:
      regularization, confounding, and heterogeneous effects},
    author = {P. Richard Hahn and Jared S. Murray and Carlos M.
      Carvalho},
    year = {2017},
    eprint = {arXiv:1706.09523},
    url = {https://arxiv.org/abs/1706.09523},
  }