To cite package ‘ndl’ in publications use:

Antti Arppe, Peter Hendrix, Petar Milin, R. Harald Baayen, Tino Sering, Cyrus Shaoul (2018). ndl: Naive Discriminative Learning. R package version 0.2.18, https://CRAN.R-project.org/package=ndl.

Corresponding BibTeX entry:

  @Manual{,
    title = {ndl: Naive Discriminative Learning},
    author = {{Antti Arppe} and {Peter Hendrix} and {Petar Milin} and
      {R. Harald Baayen} and {Tino Sering} and {Cyrus Shaoul}},
    year = {2018},
    note = {R package version 0.2.18},
    url = {https://CRAN.R-project.org/package=ndl},
  }