To cite package ‘Cubist’ in publications use:

  Kuhn M, Quinlan R (2024). _Cubist: Rule- And Instance-Based
  Regression Modeling_. R package version 0.4.4,
  <https://CRAN.R-project.org/package=Cubist>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Cubist: Rule- And Instance-Based Regression Modeling},
    author = {Max Kuhn and Ross Quinlan},
    year = {2024},
    note = {R package version 0.4.4},
    url = {https://CRAN.R-project.org/package=Cubist},
  }