To cite package ‘GSEABenchmarkeR’ in publications use:

  Ludwig Geistlinger, Gergely Csaba, Mara Santarelli, Marcel Ramos,
  Lucas Schiffer, Charity Law, Nitesh Turaga, Sean Davis, Vincent
  Carey, Martin Morgan, Ralf Zimmer, Levi Waldron (2020) Toward a gold
  standard for benchmarking gene set enrichment analysis. Briefings in
  Bioinformatics, doi: 10.1093/bib/bbz158.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Toward a gold standard for benchmarking gene set enrichment analysis},
    author = {Ludwig Geistlinger and Gergely Csaba and Mara Santarelli and Marcel Ramos and Lucas Schiffer and Charity Law and Nitesh Turaga and Sean Davis and Vincent Carey and Martin Morgan and Ralf Zimmer and Levi Waldron},
    year = {2020},
    journal = {Briefings in Bioinformatics},
    doi = {10.1093/bib/bbz158},
  }