Darwin, C. (1894). Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. Beagle round the world (12th ed.). Ward, Lock and Bowden.
Chicago-referens (17:e uppl.)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. 12th ed. London: Ward, Lock and Bowden, 1894.
MLA-referens (9:e uppl.)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. 12th ed. Ward, Lock and Bowden, 1894.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
