To cite POMA in publications use:

  POMAShiny: A user-friendly web-based workflow for metabolomics and
  proteomics data analysis Castellano-Escuder P, González-Domínguez R,
  Carmona-Pontaque F, Andrés-Lacueva C, Sánchez-Pla A (2021) POMAShiny:
  A user-friendly web-based workflow for metabolomics and proteomics
  data analysis. PLOS Computational Biology 17(7): e1009148.
  https://doi.org/10.1371/journal.pcbi.1009148

A BibTeX entry for LaTeX users is

  @Article{,
    title = {POMAShiny: A user-friendly web-based workflow for metabolomics and proteomics data analysis},
    author = {Pol Castellano-Escuder and Raúl González-Domínguez and Francesc Carmona-Pontaque and Cristina Andrés-Lacueva and Alex Sánchez-Pla},
    journal = {PLOS Computational Biology},
    year = {2021},
    volume = {17},
    number = {7},
    pages = {1-15},
    url = {https://doi.org/10.1371/journal.pcbi.1009148},
  }