To cite package ‘RcppDate’ in publications use:

  Eddelbuettel D, Hinnant H (2025). _RcppDate: 'date' C++ Header
  Library for Date and Time Functionality_. R package version 0.0.5, ,
  <https://github.com/eddelbuettel/rcppdate>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RcppDate: 'date' C++ Header Library for Date and Time Functionality},
    author = {Dirk Eddelbuettel and Howard Hinnant},
    year = {2025},
    note = {R package version 0.0.5, 
},
    url = {https://github.com/eddelbuettel/rcppdate},
  }