To cite package ‘Waypoint’ in publications use:

  Eisler M (2026). _Waypoint: Convert, Validate, Format and Print
  Geographic Coordinates and Waypoints_. R package version 1.3.0.9005,
  <https://github.com/mark-eis/waypoint>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Waypoint: Convert, Validate, Format and Print Geographic Coordinates and
Waypoints},
    author = {Mark Eisler},
    year = {2026},
    note = {R package version 1.3.0.9005},
    url = {https://github.com/mark-eis/waypoint},
  }