citHeader("To cite the ngram package:")

citEntry(
  entry = "Misc",
  title = "ngram: An n-gram Babbler.",
  author = personList(as.person("Drew Schmidt"),
                      as.person("Christian Heckendorf")),
  year = "2014",
  note = "{R} Package",
  url = "http://cran.r-project.org/web/packages/ngram/",
  textVersion = "Schmidt, D. and C. Heckendorf. (2014) ngram: An n-gram Babbler. R Package, URL http://cran.r-project.org/web/packages/ngram/",
  key = "ngramRPackage"
)

citEntry(
  entry = "Manual",
  title = "Guide to the ngram Package",
  author = personList(as.person("Drew Schmidt"),
                      as.person("Christian Heckendorf")),
  year = "2014",
  note = "{R} Vignette",
  url = "http://cran.r-project.org/web/packages/ngram/",
  textVersion = "Schmidt, D. and C. Heckendorf. (2014) Guide to the ngram package. R Vignette, URL http://cran.r-project.org/web/packages/ngram/",
  key = "ngramRvignette"
)
