To cite package 'phonR' in publications use:

Daniel McCloy (2015). phonR: tools for phoneticians and phonologists. R package version 1.0-1.

Corresponding BibTeX entry:

  @Manual{,
    title = {phonR: tools for phoneticians and phonologists},
    author = {Daniel McCloy},
    year = {2015},
    note = {R package version 1.0-1},
  }