To cite package ‘eratosthenes’ in publications use:

  Collins-Elliott SA (2024). _eratosthenes: Tools for Archaeological
  Synchronism_. R package version 0.0.1,
  <https://github.com/scollinselliott/eratosthenes>.

A BibTeX entry for LaTeX users is

  @Manual{collins-elliott_eratosthenes_2024,
    title = {eratosthenes: Tools for Archaeological Synchronism},
    author = {Stephen A. Collins-Elliott},
    year = {2024},
    note = {R package version 0.0.1},
    url = {https://github.com/scollinselliott/eratosthenes},
  }