BibTeX

@book{Guppy1906,
  address   = {London},
  author    = {Guppy, H.B.},
  publisher = {Macmillan},
  title     = {Observations of a naturalist in the Pacific between 1896 and 1899. Vol. 2},
  url       = {https://archive.org/details/observationsofn02guppuoft},
  year      = {1906},
  sections  = {None}
}