To cite package ‘ManlyMix’ in publications use:

  Xuwen Zhu, Volodymyr Melnykov (2023). _ManlyMix: An R Package for
  Model-Based Clustering with Manly Mixture Models_. R package version
  0.1.15.1.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{ManlyMix}: An {R} Package for Model-Based Clustering with {M}anly Mixture Models},
    author = {{Xuwen Zhu} and {Volodymyr Melnykov}},
    year = {2023},
    note = {R package version 0.1.15.1},
  }