To cite package ‘respeciate’ in publications use:

  Ibarra-Espinosa S, Ropkins K (2026). _respeciate: Speciation profiles
  for gases and aerosols_. R package version 0.4.2,
  <https://github.com/atmoschem/respeciate>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {respeciate: Speciation profiles for gases and aerosols},
    author = {Sergio Ibarra-Espinosa and Karl Ropkins},
    year = {2026},
    note = {R package version 0.4.2},
    url = {https://github.com/atmoschem/respeciate},
  }