APA (7th ed.) Zitazioa

National Geographic society. (1992). Beyond the horizon: Adventures in faraway lands. National Geographic Society.

Chicago Style (17th ed.) Zitazioa

National Geographic society. Beyond the Horizon: Adventures in Faraway Lands. Washington, D.C.: National Geographic Society, 1992.

MLA (9th ed.) Zitazioa

National Geographic society. Beyond the Horizon: Adventures in Faraway Lands. National Geographic Society, 1992.