To cite package 'BoolNet' in publications use:

Müssel C, Hopfensitz M, Kestler HA (2010). “BoolNet – an R package for generation, reconstruction and analysis of Boolean networks.” Bioinformatics, 26(10), 1378–1380.

Corresponding BibTeX entry:

  @Article{,
    title = {BoolNet -- an R package for generation, reconstruction and
      analysis of Boolean networks},
    author = {Christoph M\"ussel and Martin Hopfensitz and Hans A.
      Kestler},
    journal = {Bioinformatics},
    volume = {26},
    number = {10},
    pages = {1378--1380},
    year = {2010},
  }