To cite the 'ClusterSignificance' package in publications use::

  Serviss et al. (2017) ClusterSignificance: a bioconductor package
  facilitating statistical analysis of class cluster separations in
  dimensionality reduced data Bioinformatics. 33/19 p. 3126--3128

A BibTeX entry for LaTeX users is

  @Article{,
    title = {ClusterSignificance: a bioconductor package facilitating statistical analysis of class cluster separations in dimensionality reduced data},
    author = {Jason T. Serviss and Jesper R. Gadin and Per Eriksson and Lasse Folkersen and Dan Grander},
    journal = {Oxford Bioinformatics},
    year = {2017},
    volume = {33},
    issue = {19},
    pages = {3126--3128},
    url = {https://doi.org/10.1093/bioinformatics/btx393},
  }

As ClusterSignificance is continually evolving, you may want to cite
its version number. Find it with 'help(package = ClusterSignificance)'.