To cite the package 'cytomapper' in publications use:

  Nils Eling, Nicolas Damond, Tobias Hoch, Bernd Bodenmiller (2020).
  cytomapper: an R/Bioconductor package for visualisation of highly
  multiplexed imaging data. Bioinformatics, doi:
  10.1093/bioinformatics/btaa1061

A BibTeX entry for LaTeX users is

  @Article{,
    title = {cytomapper: an R/Bioconductor package for visualisation of highly multiplexed imaging data},
    author = {Nils Eling and Nicolas Damond and Tobias Hoch and Bernd Bodenmiller},
    year = {2020},
    journal = {Bioinformatics},
    doi = {10.1093/bioinformatics/btaa1061},
  }