To cite package ‘rpart.plot’ in publications use:

Milborrow S (2026). rpart.plot: Plot 'rpart' Models: An Enhanced Version of 'plot.rpart'. R package version 3.1.4, https://CRAN.R-project.org/package=rpart.plot.

Corresponding BibTeX entry:

  @Manual{,
    title = {rpart.plot: Plot 'rpart' Models: An Enhanced Version of
      'plot.rpart'},
    author = {Stephen Milborrow},
    year = {2026},
    note = {R package version 3.1.4},
    url = {https://CRAN.R-project.org/package=rpart.plot},
  }