Thank you for using STRING. Please cite the paper below.

  Szklarczyk D, Kirsch R, Koutrouli M, Nastou K, Mehryary F, Hachilif
  R, Annika GL, Fang T, Doncheva NT, Pyysalo S, Bork P, Jensen LJ, von
  Mering C. 'The STRING database in 2023: protein-protein association
  networks and functional enrichment analyses for any sequenced genome
  of interest.' Nucleic Acids Res. 2023 Jan 6;51(D1):D638-646

A BibTeX entry for LaTeX users is

  @Article{,
    title = {The STRING database in 2023: protein-protein association networks and functional enrichment analyses for any sequenced genome of interest.},
    author = {Damian Szklarczyk and Rebecca Kirsch and Mikaela Koutrouli and Katerina Nastou and Farrokh Mehryary and Radja Hachilif and Annika L Gable and Tai Fang and Nadezhda T Doncheva and Sampo Pyysalo and Peer Bork and Lars J Jensen and Christian {von Mering}},
    journal = {Nucleic Acids Research (Database issue)},
    year = {2023},
    volume = {51},
  }