To cite nexus in publications use:

  Frerebeau N, Philippe A (2024). _nexus: Sourcing Archaeological
  Materials by Chemical Composition_. Université Bordeaux Montaigne,
  Pessac, France. doi:10.5281/zenodo.10225630
  <https://doi.org/10.5281/zenodo.10225630>, R package version
  0.3.0.9000, <https://packages.tesselle.org/nexus/>.

A BibTeX entry for LaTeX users is

  @Manual{R-nexus,
    author = {Nicolas Frerebeau and Anne Philippe},
    title = {{nexus: Sourcing Archaeological Materials by Chemical Composition}},
    year = {2024},
    organization = {Université Bordeaux Montaigne},
    address = {Pessac, France},
    note = {R package version 0.3.0.9000},
    url = {https://packages.tesselle.org/nexus/},
    doi = {10.5281/zenodo.10225630},
  }

This package is a part of the tesselle project
<https://www.tesselle.org>.