APA (7th ed.) Zitazioa

Pourade, R. F., & Copley, J. S. (1960). The explorers. The Union Tribune Publishing.

Chicago Style (17th ed.) Zitazioa

Pourade, Richard F., eta James S. Copley. The Explorers. San Diego: The Union Tribune Publishing, 1960.

MLA (9th ed.) Zitazioa

Pourade, Richard F., eta James S. Copley. The Explorers. The Union Tribune Publishing, 1960.