To cite NetInt in publications use:

  Valentini, Giorgio, et al. An extensive analysis of disease-gene
  associations using network integration and fast kernel-based gene
  prioritization methods. Artificial Intelligence in Medicine 61.2
  (2014): 63-78.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {An extensive analysis of disease-gene associations using network integration and fast kernel-based gene prioritization methods},
    author = {{Valentini} and {Giorgio} and {Paccanaro} and {Alberto} and {Caniza} and {Horacio} and {Romero} and Alfonso E and {Re} and {Matteo}},
    journal = {Artificial Intelligence in Medicine},
    year = {2014},
    volume = {61},
    number = {2},
    pages = {141},
    url = {https://doi.org/10.1016/j.artmed.2014.03.003},
    publisher = {Elsevier},
  }