@Misc{Ren2011,
  author = {Ren, Fu-Xin and Cheng, Xue-Qi and Shen, Hua-Wei},
  title  = {Modeling the clustering in citation networks},

  year   = {2011},
  number = {},
  url    = {http://arxiv.org/abs/1104.4209},

  const  = {\ text}
}