To cite package ‘calendar’ in publications use:

Lovelace R, Hama L (2024). calendar: Create, Read, Write, and Work with 'iCalendar' Files, Calendars and Scheduling Data. R package version 0.2.0, https://github.com/atfutures/calendar.

Corresponding BibTeX entry:

  @Manual{,
    title = {calendar: Create, Read, Write, and Work with 'iCalendar'
      Files, Calendars and Scheduling Data},
    author = {Robin Lovelace and Layik Hama},
    year = {2024},
    note = {R package version 0.2.0},
    url = {https://github.com/atfutures/calendar},
  }