To cite {mctq} in publications use:

Vartanian D, Benedito-Silva AA, Pedrazzoli M (2021). “mctq: an R package for the Munich ChronoType Questionnaire.” Lifecycle: maturing, https://docs.ropensci.org/mctq/.

Corresponding BibTeX entry:

  @Unpublished{,
    title = {{mctq}: an R package for the Munich ChronoType
      Questionnaire},
    author = {Daniel Vartanian and Ana Amelia Benedito-Silva and Mario
      Pedrazzoli},
    year = {2021},
    url = {https://docs.ropensci.org/mctq/},
    note = {Lifecycle: maturing},
  }