APA

Darwin C., . (1896). Journal of researches into the natural history and geology of the countries visited during the voyage of H. M. S. Beagle round the world. New York, USA: D. Appleton and Company.

Chicago

Darwin Charles, . 1896. Journal of researches into the natural history and geology of the countries visited during the voyage of H. M. S. Beagle round the world. New York, USA: D. Appleton and Company.

Harvard

Darwin C., . (1896). Journal of researches into the natural history and geology of the countries visited during the voyage of H. M. S. Beagle round the world. New York, USA: D. Appleton and Company.

MLA

Darwin Charles, . Journal of researches into the natural history and geology of the countries visited during the voyage of H. M. S. Beagle round the world. New York, USA: D. Appleton and Company. 1896.