To cite package ‘RTN’ in publications use:

  Castro MAA, de Santiago I, Campbell TM, ..., Meyer KB. Regulators of
  genetic risk of breast cancer identified by integrative network
  analysis. Nature Genetics, 48:12-21, 2016.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Mauro Castro and Ines {de Santiago} and Thomas Campbell and Courtney Vaughn and Theresa Hickey and Edith Ross and Wayne Tilley and Florian Markowetz and Bruce Ponder and Kerstin Meyer},
    title = {Regulators of genetic risk of breast cancer identified by integrative network analysis.},
    journal = {Nature Genetics},
    year = {2016},
    volume = {48},
    pages = {33},
    doi = {10.1038/ng.3458},
  }

  Fletcher MNC, Castro MAA, Wang X, ..., Meyer KB. Master regulators of
  FGFR2 signalling and breast cancer risk. Nature Communications,
  4:2464, 2013.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Michael Fletcher and Mauro Castro and Xin Wang and Ines {de Santiago} and Martin O'Reilly and Suet-Feung Chin and Oscar Rueda and Carlos Caldas and Bruce Ponder and Florian Markowetz and Kerstin Meyer},
    title = {Master regulators of FGFR2 signalling and breast cancer risk.},
    journal = {Nature Communications},
    year = {2013},
    volume = {4},
    pages = {2464},
    doi = {10.1038/ncomms3464},
  }