Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Gannett Henry. Topographic map of the cripple creek district, Colorado. U. S. Geological Survey.
Chicago Style (17th ed.) Zitazioa
Gannett Henry. Topographic Map of the Cripple Creek District, Colorado. U. S. Geological Survey.
MLA (9th ed.) Zitazioa
Gannett Henry. Topographic Map of the Cripple Creek District, Colorado. U. S. Geological Survey.
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