To cite nadiv in publications use:

Matthew E. Wolak (2012). nadiv: an R package to create relatedness matrices for estimating non-additive genetic variances in animal models. Methods in Ecology and Evolution, 3(5), 792-796.

Corresponding BibTeX entry:

  @Article{,
    title = {{nadiv}: an {R} package to create relatedness matrices for
      estimating non-additive genetic variances in animal models},
    author = {Matthew E. Wolak},
    journal = {Methods in Ecology and Evolution},
    year = {2012},
    volume = {3},
    number = {5},
    pages = {792-796},
    url =
      {http://onlinelibrary.wiley.com/doi/10.1111/j.2041-210X.2012.00213.x/full},
  }