Darwin, C., & Dacuti Orrego, A. (1906). Jeolojía de la América Meridional: Geological Observations on South America Voyage of H.M.S. Beagle. Imprenta Cervantes.
Lua i Stíl Chicago (17ú heag.)Darwin, Charles, agus Alfredo Dacuti Orrego. Jeolojía De La América Meridional: Geological Observations on South America Voyage of H.M.S. Beagle. Santiago de Chile: Imprenta Cervantes, 1906.
Lua MLA (9ú heag.)Darwin, Charles, agus Alfredo Dacuti Orrego. Jeolojía De La América Meridional: Geological Observations on South America Voyage of H.M.S. Beagle. Imprenta Cervantes, 1906.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.