To cite package ‘crqa’ in publications use:

  Coco MI, Monster D, Leonardi G, Dale R, Wallot S (2021).
  “Unidimensional and Multidimensional Methods for Recurrence
  Quantification Analysis with crqa.” _R Journal_, *13*(1).
  doi:10.32614/RJ-2021-062 <https://doi.org/10.32614/RJ-2021-062>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Unidimensional and Multidimensional Methods for Recurrence Quantification Analysis with {crqa}},
    author = {Moreno I. Coco and Dan Monster and Giuseppe Leonardi and Rick Dale and Sebastian Wallot},
    year = {2021},
    doi = {10.32614/RJ-2021-062},
    journal = {R Journal},
    volume = {13},
    number = {1},
  }