To cite bcf in publications use:

Hahn P, Murray J, Carvalho C (2020). “Bayesian Regression Tree Models for Causal Inference: Regularization, Confounding, and Heterogeneous Effects.” Bayesian Analysis, 15(3), 965–1056. doi:10.1214/19-BA1195, https://projecteuclid.org/journals/bayesian-analysis/volume-15/issue-3/Bayesian-Regression-Tree-Models-for-Causal-Inference–Regularization-Confounding/10.1214/19-BA1195.full.

Corresponding BibTeX entry:

  @Article{hahn2020bayesian,
    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 = {2020},
    journal = {Bayesian Analysis},
    volume = {15},
    number = {3},
    pages = {965--1056},
    doi = {10.1214/19-BA1195},
    publisher = {International Society for Bayesian Analysis},
    url =
      {https://projecteuclid.org/journals/bayesian-analysis/volume-15/issue-3/Bayesian-Regression-Tree-Models-for-Causal-Inference--Regularization-Confounding/10.1214/19-BA1195.full},
  }