To cite package ‘AlpsNMR’ in publications use:

  Francisco Madrid-Gambin, Sergio Oller-Moreno, Luis Fernandez, Simona
  Bartova, Maria Pilar Giner, Christopher Joyce, Francesco Ferraro,
  Ivan Montoliu, Sofia Moco, Santiago Marco, AlpsNMR: an R package for
  signal processing of fully untargeted NMR-based metabolomics,
  Bioinformatics, https://doi.org/10.1093/bioinformatics/btaa022

A BibTeX entry for LaTeX users is

  @Article{,
    title = {AlpsNMR: an R package for signal processing of fully untargeted NMR-based metabolomics},
    journal = {Bioinformatics},
    issn = {1367-4803},
    year = {2020},
    month = {01},
    doi = {10.1093/bioinformatics/btaa022},
    author = {{Madrid-Gambin} and {Francisco} and {Oller-Moreno} and {Sergio} and {Fernandez} and {Luis} and {Bartova} and {Simona} and {Giner} and Maria Pilar and {Joyce} and {Christopher} and {Ferraro} and {Francesco} and {Montoliu} and {Ivan} and {Moco} and {Sofia} and {Marco} and {Santiago}},
  }