To cite package ‘FourWayHMM’ in publications use:

Tomarchio S, Punzo A, Maruotti A (2021). FourWayHMM: Parsimonious Hidden Markov Models for Four-Way Data. R package version 1.0.0, https://CRAN.R-project.org/package=FourWayHMM.

Corresponding BibTeX entry:

  @Manual{,
    title = {FourWayHMM: Parsimonious Hidden Markov Models for Four-Way
      Data},
    author = {Salvatore D. Tomarchio and Antonio Punzo and Antonello
      Maruotti},
    year = {2021},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=FourWayHMM},
  }