Please, cite the following reference:

  Alvarez, M.J., Shen, Y., Giorgi, F.M., Lachmann, A., Ding, B.B., Ye,
  B.H., and Califano, A. (2016) Functional characterization of somatic
  mutations in cancer using network-based inference of protein
  activity. Nature genetics 48(8):848--47.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Mariano J Alvarez and Yao Shen and Federico M Giorgi and Alexander Lachmann and B Belinda Ding and B Hilda Ye and Andrea Califano},
    title = {Functional characterization of somatic mutations in cancer using network-based inference of protein activity},
    journal = {Nature genetics},
    year = {2016},
    volume = {48},
    number = {8},
    pages = {838--47},
  }