To cite package ‘calendR’ in publications use:

Soage González J, Pérez Veiga N (2023). calendR: Ready to Print Monthly and Yearly Calendars Made with 'ggplot2'. R package version 1.2, https://CRAN.R-project.org/package=calendR.

Corresponding BibTeX entry:

  @Manual{,
    title = {calendR: Ready to Print Monthly and Yearly Calendars Made
      with 'ggplot2'},
    author = {José Carlos {Soage González} and Natalia {Pérez Veiga}},
    year = {2023},
    note = {R package version 1.2},
    url = {https://CRAN.R-project.org/package=calendR},
  }