To cite package ‘RTCGA’ in publications use:

  Kosinski M (2022). _RTCGA: The Cancer Genome Atlas Data Integration_.
  R package version 1.35.0, <https://bioconductor.org/packages/RTCGA>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RTCGA: The Cancer Genome Atlas Data Integration},
    author = {Marcin Kosinski},
    year = {2022},
    note = {R package version 1.35.0},
    url = {https://bioconductor.org/packages/RTCGA},
  }