To cite the glmtree package in publications use:

  Ehrhardt A. (2026). glmtree: Logistic Regression Trees. R package
  version 0.4.0. https://github.com/adimajo/glmtree

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {glmtree: Logistic Regression Trees},
    author = {Adrien Ehrhardt},
    year = {2026},
    note = {R package version 0.4.0},
    url = {https://github.com/adimajo/glmtree},
  }