To cite multid in publications use:

Ilmarinen V (2021). multid: Multivariate Difference between Two Groups. R package version 0.2.0, https://CRAN.R-project.org/package=multid.

Corresponding BibTeX entry:

  @Manual{,
    title = {multid: Multivariate Difference between Two Groups},
    author = {Ville-Juhani Ilmarinen},
    url = {https://CRAN.R-project.org/package=multid},
    year = {2021},
    note = {R package version 0.2.0},
  }