APA (7th ed.) Zitazioa
Gordon, G. B. (1905). The serpent motive in the ancient art of Central America and Mexico. [No identificado].
Chicago Style (17th ed.) Zitazioa
Gordon, George Byron. The Serpent Motive in the Ancient Art of Central America and Mexico. [No identificado]: [No identificado], 1905.
MLA (9th ed.) Zitazioa
Gordon, George Byron. The Serpent Motive in the Ancient Art of Central America and Mexico. [No identificado], 1905.
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