Cita APA (7th ed.)
National Geographic Society. Oceanos e Islas. National Geographic Society.
Cita Chicago (17th ed.)
National Geographic Society. Oceanos E Islas. Buenos Aires: National Geographic Society.
Cita MLA (9th ed.)
National Geographic Society. Oceanos E Islas. National Geographic Society.
Atenció: Aquestes cites poden no estar 100% correctes.