To cite package ‘chapensk’ in publications use:

  Langenberg S (2026). _chapensk: Estimation of Gas Properties from the
  Lennard-Jones Potential_. R package version 0.5,
  <https://github.com/langenbergstefan/chapensk>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {chapensk: Estimation of Gas Properties from the Lennard-Jones Potential},
    author = {Stefan Langenberg},
    year = {2026},
    note = {R package version 0.5},
    url = {https://github.com/langenbergstefan/chapensk},
  }