Cita APA (7a ed.)
Porti, A. D. Explorers: The Most Exciting Voyages of Discovery : From the African Expeditions to the Lunar Landing. Firefly Books.
Cita estilo Chicago (17a ed.)
Porti, Andrea De. Explorers: The Most Exciting Voyages of Discovery : From the African Expeditions to the Lunar Landing. Buffalo, EUA: Firefly Books.
Cita MLA (9a ed.)
Porti, Andrea De. Explorers: The Most Exciting Voyages of Discovery : From the African Expeditions to the Lunar Landing. Firefly Books.
Precaución: Estas citas no son 100% exactas.