To cite package ‘nanotime’ in publications use:

  Eddelbuettel D, Silvestri L (2024). _nanotime: Nanosecond-Resolution
  Time Support for R_. R package version 0.3.9.1, ,
  <https://github.com/eddelbuettel/nanotime>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {nanotime: Nanosecond-Resolution Time Support for R},
    author = {Dirk Eddelbuettel and Leonardo Silvestri},
    year = {2024},
    note = {R package version 0.3.9.1, 
},
    url = {https://github.com/eddelbuettel/nanotime},
  }