For theoretical issues cite: To cite tram in publications use:

  Hothorn T, Möst L, Bühlmann P (2018). “Most Likely Transformations.”
  _Scandinavian Journal of Statistics_, *45*(1), 110-134.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Most Likely Transformations},
    author = {Torsten Hothorn and Lisa Möst and Peter Bühlmann},
    journal = {Scandinavian Journal of Statistics},
    year = {2018},
    volume = {45},
    number = {1},
    pages = {110--134},
  }

  Torsten Hothorn (2020). “Most Likely Transformations: The mlt
  Package.” _Journal of Statistical Software_, *92*(1), 1-68.
  doi:10.18637/jss.v092.i01 <https://doi.org/10.18637/jss.v092.i01>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Most Likely Transformations: The mlt Package},
    author = {{Torsten Hothorn}},
    journal = {Journal of Statistical Software},
    year = {2020},
    volume = {92},
    number = {1},
    pages = {1--68},
    doi = {10.18637/jss.v092.i01},
  }