Darwin Charles. (1890). Journal of researches into the natural history & geology of the countries visited during the voyage round the world of H. M. S. Beagle under the command of captain Fitz Roy, R. N. by Charles Darwin, M. A., F. R. S., author of Origin of species, etc, viñeta representando a la Beagle. A new edition with illustrations by R. T. Pritchett of places visited and objects described (2a. ed.). John Murray, Albemarle street.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Darwin Charles. Journal of Researches into the Natural History & Geology of the Countries Visited During the Voyage Round the World of H. M. S. Beagle Under the Command of Captain Fitz Roy, R. N. by Charles Darwin, M. A., F. R. S., Author of Origin of Species, Etc, Viñeta Representando a La Beagle. A New Edition with Illustrations by R. T. Pritchett of Places Visited and Objects Described. 2a. ed. Londres: John Murray, Albemarle street, 1890.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Darwin Charles. Journal of Researches into the Natural History & Geology of the Countries Visited During the Voyage Round the World of H. M. S. Beagle Under the Command of Captain Fitz Roy, R. N. by Charles Darwin, M. A., F. R. S., Author of Origin of Species, Etc, Viñeta Representando a La Beagle. A New Edition with Illustrations by R. T. Pritchett of Places Visited and Objects Described. 2a. ed. John Murray, Albemarle street, 1890.