To cite robustvarComp in publications use:

Claudio Agostinelli and Victor J. Yohai (2019). {robustvarComp}: Robust estimation for Variance Component Models R package version 0.1-5. URL https://CRAN.R-project.org/package=robustvarComp

Corresponding BibTeX entry:

  @Manual{,
    title = {{robustvarComp}: Robust estimation for Variance Component
      Models},
    author = {Claudio Agostinelli and Victor J. Yohai},
    year = {2019},
    note = {R package version 0.1-5},
    url = {https://CRAN.R-project.org/package=robustvarComp},
  }