citHeader("To cite package 'learnrbook' in publications, please use:")

citEntry(entry = "book",
  author = "Pedro J. Aphalo",
  title = "Learn R ...as you learnt your mother tongue",
  publisher = "Leanpub",
  pages = "522",
  year = "2017",
  url = "https://leanpub.com/learnr",
  textVersion = "Aphalo, Pedro J. (2017) Learn R ...as you learnt your mother tongue. Leanpub.
  <https://leanpub.com/learnr>."
)
