APA (7th ed.) Zitazioa
Stuart, G. E. (1969). Discovering man's past in the Americas. National Geographic Society.
Chicago Style (17th ed.) Zitazioa
Stuart, George E. Discovering Man's Past in the Americas. Washington: National Geographic Society, 1969.
MLA (9th ed.) Zitazioa
Stuart, George E. Discovering Man's Past in the Americas. National Geographic Society, 1969.
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