To cite package ‘watson’ in publications use:

  Sablica L, Hornik K, Leydold J (2025). _watson: Fitting and
  Simulating Mixtures of Watson Distributions_. R package version 0.6,
  <https://github.com/lsablica/watson>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {watson: Fitting and Simulating Mixtures of Watson Distributions},
    author = {Lukas Sablica and Kurt Hornik and Josef Leydold},
    year = {2025},
    note = {R package version 0.6},
    url = {https://github.com/lsablica/watson},
  }