To cite package ‘fastnntr’ in publications use:

  Newell R (2026). _fastnntr: Fast Rust-Based SplitsTree NeighbourNet
  Algorithm_. R package version 0.3.0,
  <https://github.com/rhysnewell/fast-nnt>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fastnntr: Fast Rust-Based SplitsTree NeighbourNet Algorithm},
    author = {Rhys Newell},
    year = {2026},
    note = {R package version 0.3.0},
    url = {https://github.com/rhysnewell/fast-nnt},
  }