To cite package 'phonTools' in publications use:
Barreda S (2023). “phonTools: Functions for phonetics in R.” R package version 0.2-2.2.
Corresponding BibTeX entry:
  @Misc{phonTools,
    author = {Santiago Barreda},
    title = {phonTools: Functions for phonetics in R},
    note = {R package version 0.2-2.2},
    year = {2023},
  }