To cite package ‘PGEhammer’ in publications use:

  Verity B, Ruybal S (2024). _PGEhammer: What the Package Does (Title
  Case)_. R package version 0.1.0,
  <https://github.com/mrc-ide/pgehammer>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PGEhammer: What the Package Does (Title Case)},
    author = {Bob Verity and Shazia Ruybal},
    year = {2024},
    note = {R package version 0.1.0},
    url = {https://github.com/mrc-ide/pgehammer},
  }