To cite package ‘sybil’ in publications use:

Gelius-Dietrich, G. et al. (2013) sybil - Efficient constraint-based modelling in R. BMC Syst Biol 7(1):125

Corresponding BibTeX entry:

  @Article{ggd:sybil,
    author = {Gabriel Gelius-Dietrich and Claus Jonathan Fritzemeier
      and Abdelmoneim Amer Desouki and Martin J Lercher},
    title = {sybil -- Efficient constraint-based modelling in R},
    journal = {BMC Systems Biology},
    volume = {7},
    year = {2013},
    number = {1},
    pages = {125},
    url = {http://www.biomedcentral.com/1752-0509/7/125},
    doi = {10.1186/1752-0509-7-125},
    issn = {1752-0509},
  }