To cite package ‘Spec2Annot’ in publications use:

  Dechaumet S (2026). _Spec2Annot: Annotation of Mass Spectra_. R
  package version 1.3.4, <https://github.com/odisce/spec2annot>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Spec2Annot: Annotation of Mass Spectra},
    author = {Sylvain Dechaumet},
    year = {2026},
    note = {R package version 1.3.4},
    url = {https://github.com/odisce/spec2annot},
  }