To cite package ‘fnmate’ in publications use:

  McBain M (2024). _fnmate: Create function definitions from function
  expressions_. R package version 0.0.6,
  <https://github.com/milesmcbain/fnmate>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fnmate: Create function definitions from function expressions},
    author = {Miles McBain},
    year = {2024},
    note = {R package version 0.0.6},
    url = {https://github.com/milesmcbain/fnmate},
  }