To cite package ‘rncl’ in publications use:

  Michonneau F, Bolker B, Holder M, Lewis P, O'Meara B (2025). _rncl:
  An Interface to the Nexus Class Library_. R package version 0.8.7,
  <https://github.com/fmichonneau/rncl>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rncl: An Interface to the Nexus Class Library},
    author = {Francois Michonneau and Ben Bolker and Mark Holder and Paul Lewis and Brian O'Meara},
    year = {2025},
    note = {R package version 0.8.7},
    url = {https://github.com/fmichonneau/rncl},
  }