To cite countsimQC in publications use:

  Charlotte Soneson & Mark D Robinson (2018). Towards unified quality
  verification of synthetic count data with countsimQC. Bioinformatics,
  34(4), 691-692. URL
  https://academic.oup.com/bioinformatics/article/34/4/691/4345646.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Towards unified quality verification of synthetic count data with countsimQC},
    author = {Charlotte Soneson and Mark D Robinson},
    journal = {Bioinformatics},
    year = {2018},
    volume = {34},
    number = {4},
    pages = {691--692},
    url = {https://academic.oup.com/bioinformatics/article/34/4/691/4345646},
  }