To cite Rassoc in publications use:

Yong Zang, Wing Kam Fung, Gang Zheng (2010). Simple Algorithms to Calculate Asymptotic Null Distributions of Robust Tests in Case-Control Genetic Association Studies in R. Journal of Statistical Software, 33(8), 1-24. URL http://www.jstatsoft.org/v33/i08/.

Corresponding BibTeX entry:

  @Article{,
    title = {Simple Algorithms to Calculate Asymptotic Null
      Distributions of Robust Tests in Case-Control Genetic Association
      Studies in {R}},
    author = {Yong Zang and Wing Kam Fung and Gang Zheng},
    journal = {Journal of Statistical Software},
    year = {2010},
    volume = {33},
    number = {8},
    pages = {1--24},
    url = {http://www.jstatsoft.org/v33/i08/},
  }