To cite the FamAgg package please use:

  Rainer J, Talliun D, D'Elia Y, Domingues FS, Weichenberger CX (2016)
  FamAgg: an R package to evaluate familial aggregation of traits in
  large pedigrees. Bioinformatics. doi:10.1093/bioinformatics/btw019

A BibTeX entry for LaTeX users is

  @Article{,
    title = {FamAgg: an R package to evaluate familial aggregation of traits in large pedigrees},
    author = {Johannes Rainer and Daniel Talliun and Yuri D'Elia and Christian Pattaro and Francisco S. Domingues and Christian X. Weichenberger},
    year = {2016},
    journal = {Bioinformatics},
    doi = {10.1093/bioinformatics/btw019},
    url = {http://bioinformatics.oxfordjournals.org/content/early/2016/02/13/bioinformatics.btw019},
  }