To cite package ‘valottery’ in publications use:

Ford C (2015). valottery: Results from the Virginia Lottery Draw Games. R package version 0.0.1, https://github.com/clayford/valottery.

Corresponding BibTeX entry:

  @Manual{,
    title = {valottery: Results from the Virginia Lottery Draw Games},
    author = {Clay Ford},
    year = {2015},
    note = {R package version 0.0.1},
    url = {https://github.com/clayford/valottery},
  }