To cite robustbase in publications use:

To cite package ‘robustbase’ in publications use:

Maechler M, Rousseeuw P, Croux C, Todorov V, Ruckstuhl A, Salibian-Barrera M, Verbeke T, Koller M, Conceicao EL, Anna di Palma M (2021). robustbase: Basic Robust Statistics. R package version 0.93-9, http://robustbase.r-forge.r-project.org/.

To cite the multivariate class/methods framework use:

Todorov V, Filzmoser P (2009). “An Object-Oriented Framework for Robust Multivariate Analysis.” Journal of Statistical Software, 32(3), 1–47. https://www.jstatsoft.org/article/view/v032i03/.

Corresponding BibTeX entries:

  @Manual{,
    title = {robustbase: Basic Robust Statistics},
    author = {Martin Maechler and Peter Rousseeuw and Christophe Croux
      and Valentin Todorov and Andreas Ruckstuhl and Matias
      Salibian-Barrera and Tobias Verbeke and Manuel Koller and Eduardo
      L. T. Conceicao and Maria {Anna di Palma}},
    year = {2021},
    note = {R package version 0.93-9},
    url = {http://robustbase.r-forge.r-project.org/},
    url = {http://robustbase.r-forge.r-project.org/},
  }
  @Article{,
    title = {An Object-Oriented Framework for Robust Multivariate
      Analysis},
    author = {Valentin Todorov and Peter Filzmoser},
    journal = {Journal of Statistical Software},
    year = {2009},
    volume = {32},
    number = {3},
    pages = {1--47},
    url = {https://www.jstatsoft.org/article/view/v032i03/},
  }