To cite package ‘toppgene’ in publications use:

  Chen J, Xu H, Aronow BJ, Jegga AG (2007). “Improved human disease
  candidate gene prioritization using mouse phenotype.” _BMC
  Bioinformatics_, *8*(1), 392. ISSN 1471-2105.
  doi:10.1186/1471-2105-8-392
  <https://doi.org/10.1186/1471-2105-8-392>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Improved human disease candidate gene prioritization using mouse phenotype},
    volume = {8},
    issn = {1471-2105},
    doi = {10.1186/1471-2105-8-392},
    language = {en},
    number = {1},
    journal = {BMC Bioinformatics},
    author = {Jing Chen and Huan Xu and Bruce J. Aronow and Anil G. Jegga},
    month = {dec},
    year = {2007},
    pages = {392},
  }

  Kaimal V, Bardes EE, Tabar SC, Jegga AG, Aronow BJ (2010).
  “ToppCluster: a multiple gene list feature analyzer for comparative
  enrichment clustering and network-based dissection of biological
  systems.” _Nucleic Acids Research_, *38*(Web Server), W96-W102. ISSN
  1362-4962. doi:10.1093/nar/gkq418
  <https://doi.org/10.1093/nar/gkq418>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {ToppCluster: a multiple gene list feature analyzer for comparative enrichment clustering and network-based dissection of biological systems},
    volume = {38},
    copyright = {http://creativecommons.org/licenses/by-nc/2.5},
    issn = {1362-4962},
    doi = {10.1093/nar/gkq418},
    language = {en},
    number = {Web Server},
    journal = {Nucleic Acids Research},
    author = {Vivek Kaimal and Eric E. Bardes and Scott C. Tabar and Anil G. Jegga and Bruce J. Aronow},
    month = {jul},
    year = {2010},
    pages = {W96--W102},
  }