Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Payne C. Marshall. (1965). Bedrock geologic map, Minneapolis, St. Paul and Vicinity. U. S. Geological Survey.
Chicago Style (17th ed.) Zitazioa
Payne C. Marshall. Bedrock Geologic Map, Minneapolis, St. Paul and Vicinity. U. S. Geological Survey, 1965.
MLA (9th ed.) Zitazioa
Payne C. Marshall. Bedrock Geologic Map, Minneapolis, St. Paul and Vicinity. U. S. Geological Survey, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.