To cite package ‘btml’ in publications use:

  Chung Y, Zhang Y (2026). _btml: Bayesian Treed Machine Learning for
  Personalized Prediction_. R package version 0.4.0,
  <https://CRAN.R-project.org/package=btml>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {btml: Bayesian Treed Machine Learning for Personalized Prediction},
    author = {Yunro Chung and Yaliang Zhang},
    year = {2026},
    note = {R package version 0.4.0},
    url = {https://CRAN.R-project.org/package=btml},
  }