To cite cgaim in publications use:

Masselot P, Chebana F, Campagna C, Lavigne É, Ouarda TB, Gosselin P (2022). “Constrained groupwise additive index models.” Biostatistics, 24(4), 1066–1084. https://doi.org/10.1093/biostatistics/kxac023.

Corresponding BibTeX entry:

  @Article{,
    title = {Constrained groupwise additive index models},
    author = {Pierre Masselot and Fateh Chebana and Céline Campagna and
      Éric Lavigne and Taha B.M.J. Ouarda and Pierre Gosselin},
    journal = {Biostatistics},
    year = {2022},
    volume = {24},
    number = {4},
    pages = {1066–1084},
    url = {https://doi.org/10.1093/biostatistics/kxac023},
  }