To cite package ‘dad’ in publications use:

  Boumaza R, Santagostini P, Yousfi S, Demotes-Mainard S (2021). “dad:
  an R Package for Visualisation, Classification and Discrimination of
  Multivariate Groups Modelled by their Densities.” _The R Journal_,
  *13*(2), 386. doi:10.32614/RJ-2021-071
  <https://doi.org/10.32614/RJ-2021-071>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {dad: an R Package for Visualisation, Classification and Discrimination of Multivariate Groups Modelled by their Densities},
    author = {Rachid Boumaza and Pierre Santagostini and Smail Yousfi and Sabine Demotes-Mainard},
    journal = {The R Journal},
    year = {2021},
    volume = {13},
    number = {2},
    pages = {386},
    doi = {10.32614/RJ-2021-071},
  }