Cita APA

National Geographic Book Service (Estados Unidos), & National Geographic Book Service (Estados Unidos). (1992). Beyond the horizon: Adventures in faraway lands. Washington, D.C.: National Geographic Society.

Citación estilo Chicago

National Geographic Book Service (Estados Unidos), y National Geographic Book Service (Estados Unidos). Beyond the Horizon: Adventures in Faraway Lands. Washington, D.C.: National Geographic Society, 1992.

Cita MLA

National Geographic Book Service (Estados Unidos), y National Geographic Book Service (Estados Unidos). Beyond the Horizon: Adventures in Faraway Lands. Washington, D.C.: National Geographic Society, 1992.