To cite package ‘msig’ in publications use:

Zhang J, Jin Z (2021). msig: An R Package for Exploring Molecular Signatures Database. R package version 1.0, https://CRAN.R-project.org/package=msig.

Corresponding BibTeX entry:

  @Manual{,
    title = {msig: An R Package for Exploring Molecular Signatures
      Database},
    author = {Jing Zhang and Zhi Jin},
    year = {2021},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=msig},
  }