To cite fru in publications use:

Miron B. Kursa, Krzysztof P. Piwoński (2026). “fru: Fast random forest implementation.” SoftwareX, 35, 102918. doi:10.1016/j.softx.2026.102918.

Corresponding BibTeX entry:

  @Article{,
    title = {fru: Fast random forest implementation},
    author = {{Miron B. Kursa} and {Krzysztof P. Piwoński}},
    journal = {SoftwareX},
    year = {2026},
    volume = {35},
    pages = {102918},
    doi = {10.1016/j.softx.2026.102918},
  }