To cite package ‘cstime’ in publications use:

Zhang C, White RA (2025). cstime: Date and Time Functions for Public Health Purposes. R package version 2025.10.13, https://CRAN.R-project.org/package=cstime.

Corresponding BibTeX entry:

  @Manual{,
    title = {cstime: Date and Time Functions for Public Health
      Purposes},
    author = {Chi Zhang and Richard Aubrey White},
    year = {2025},
    note = {R package version 2025.10.13},
    url = {https://CRAN.R-project.org/package=cstime},
  }