bibentry(
  "Article",
  title = "{MatchIt}: Nonparametric Preprocessing for Parametric Causal Inference",
  author = c(
  person("Daniel E.", "Ho"),
  person("Kosuke", "Imai"),
  person("Gary", "King"),
  person("Elizabeth A.", "Stuart")
  ),
  year = 2011,
  journal = "Journal of Statistical Software",
  volume = 42,
  number = 8,
  pages = "1--28",
  doi = "10.18637/jss.v042.i08",
)