To cite gamlss2 in publications use:

Umlauf N, Stasinopoulos M, De Bastiani F, Heller G, Kneib T, Mayr A, Rigby R, Stauffer R, Zeileis A (2025). “gamlss2: The Next Generation of Distributional Regression.” In O'Sullivan D, Sweeney J, Moghaddam S, Burke K (eds.), Proceedings of the 39th International Workshop on Statistical Modelling, 312–317. https://iwsm2025.ie/.

For the underlying methods cite:

Rigby RA, Stasinopoulos DM (2005). “Generalized Additive Models for Location, Scale and Shape (with Discussion).” Journal of the Royal Statistical Society, Series C (Applied Statistics), 54, 507–554. doi:10.1111/j.1467-9876.2005.00510.x.

Corresponding BibTeX entries:

  @InProceedings{,
    title = {gamlss2: The Next Generation of Distributional
      Regression},
    booktitle = {Proceedings of the 39th International Workshop on
      Statistical Modelling},
    address = {Limerick, Ireland},
    year = {2025},
    url = {https://iwsm2025.ie/},
    pages = {312--317},
    author = {Nikolaus Umlauf and Mikis Stasinopoulos and Fernanda {De
      Bastiani} and Gillian Heller and Thomas Kneib and Andreas Mayr
      and Robert Rigby and Reto Stauffer and Achim Zeileis},
    editor = {David O'Sullivan and James Sweeney and Shirin Moghaddam
      and Kevin Burke},
  }
  @Article{,
    title = {Generalized Additive Models for Location, Scale and Shape
      (with Discussion)},
    journal = {Journal of the Royal Statistical Society, Series C
      (Applied Statistics)},
    volume = {54},
    pages = {507--554},
    year = {2005},
    doi = {10.1111/j.1467-9876.2005.00510.x},
    author = {Robert A. Rigby and D. Mikis Stasinopoulos},
  }