To cite package ‘RedeR’ in publications use:

  Castro MAA, Wang X, Fletcher MNC, Meyer KB, Markowetz F. RedeR:
  R/Bioconductor package for representing modular structures, nested
  networks and multiple levels of hierarchical associations. Genome
  Biology 13:R29, 2012.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Mauro AA Castro and Xin Wang and Michael NC Fletcher and Kerstin B Meyer and Florian Markowetz},
    title = {RedeR: R/Bioconductor package for representing modular structures, nested networks and multiple levels of hierarchical associations.},
    journal = {Genome Biology},
    year = {2012},
    volume = {13},
    pages = {R29},
    number = {4},
    doi = {10.1186/gb-2012-13-4-r29},
  }