To cite package ‘ssc’ in publications use:

González M, Rosado-Falcón O, Rodríguez J (2019). ssc: Semi-Supervised Classification Methods. R package version 2.1-0, https://github.com/mabelc/ssc.

Corresponding BibTeX entry:

  @Manual{,
    title = {ssc: Semi-Supervised Classification Methods},
    author = {Mabel González and Osmani Rosado-Falcón and José Daniel
      Rodríguez},
    year = {2019},
    note = {R package version 2.1-0},
    url = {https://github.com/mabelc/ssc},
  }