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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.
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