@book{forster1778,
  address   = {London},
  author    = {Forster, Johann Reinhold},
  publisher = {Robinson},
  title     = {Observations Made During a Voyage Round the World, on Physical Geography, Natural History, and Ethic Philosophy},
  url       = {https://books.google.de/books?id=49ZXAAAAcAAJ},
  year      = {1778}
}