To cite hmmr in publications use:

Visser I, Speekenbrink M (2021). Mixture and Hidden Markov Models with R. Springer.

Corresponding BibTeX entry:

  @Book{,
    title = {Mixture and Hidden Markov Models with R},
    author = {Ingmar Visser and Maarten Speekenbrink},
    year = {2021},
    publisher = {Springer},
  }