To cite package ‘GMTM’ in publications use:

  Watanabe K (2026). _GMTM: Gaussian Mixture Topic Models_. R package
  version 0.2.1, <https://github.com/koheiw/gmtm>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {GMTM: Gaussian Mixture Topic Models},
    author = {Kohei Watanabe},
    year = {2026},
    note = {R package version 0.2.1},
    url = {https://github.com/koheiw/gmtm},
  }