To cite luca in publications use:

Shin J-H, McNeney B and Graham J (2007). Case-Control Inference of Interaction Between Genetic and Nongenetic Risk Factors Under Assumptions on Their Distribution. Statistical Applications in Genetics and Molecular Biology, 6(1): Article 13. Available at: http://www.bepress.com/sagmb/vol6/iss1/art13

Corresponding BibTeX entry:

  @Article{,
    title = {Case-Control Inference of Interaction Between Genetic and
      Nongenetic Risk Factors Under Assumptions on Their
      Distribution.},
    author = {J.-H. Shin and B. McNeney and J. Graham},
    journal = {Statistical Applications in Genetics and Molecular
      Biology},
    volume = {6(1)},
    year = {2007},
    pages = {Article 13},
  }