APA (7th ed.) Zitazioa
Maler, T. Researches in the Central Portion of the Usumatsintla Valley: Report of Explorations for the Museums, 1898-1900. Kraus Reprint.
Chicago Style (17th ed.) Zitazioa
Maler, Teobert. Researches in the Central Portion of the Usumatsintla Valley: Report of Explorations for the Museums, 1898-1900. Nueva York, EUA: Kraus Reprint.
MLA (9th ed.) Zitazioa
Maler, Teobert. Researches in the Central Portion of the Usumatsintla Valley: Report of Explorations for the Museums, 1898-1900. Kraus Reprint.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.