To cite package ‘disttree’ in publications use:

  Schlosser L, Lang M, Hothorn T, Zeileis A (2021). _disttree: Trees
  and Forests for Distributional Regression_. R package version 0.2-0,
  <https://r-forge.r-project.org/projects/partykit>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {disttree: Trees and Forests for Distributional Regression},
    author = {Lisa Schlosser and Moritz N. Lang and Torsten Hothorn and Achim Zeileis},
    year = {2021},
    note = {R package version 0.2-0},
    url = {https://r-forge.r-project.org/projects/partykit},
  }