To cite package 'phonR' in publications use:

McCloy DR (2016). phonR: tools for phoneticians and phonologists. R package version 1.0-7.

Corresponding BibTeX entry:

  @Manual{,
    title = {phonR: tools for phoneticians and phonologists},
    author = {Daniel R. McCloy},
    year = {2016},
    note = {R package version 1.0-7},
  }