To cite package ‘npGSEA’ in publications use:

  Jessica L Larson and Art B Owen (2015): Moment based gene set tests.
  BMC Bioinformatics

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Moment based gene set tests},
    author = {Jessica L Larson and Art B Owen},
    year = {2015},
    journal = {BMC Bioinformatics},
    doi = {doi:10.1186/s12859-015-0571-7},
    url = {http://www.biomedcentral.com/1471-2105/16/132},
    volume = {16},
    pages = {132},
  }