Cites del registre

Cita APA (7th ed.)
Estados Unidos Geological Survey. (19). Manitou-Frontenac, Keweenaw, and North Cliff geologic sections. U. S. Geological Survey.
Cita Chicago (17th ed.)
Estados Unidos Geological Survey. Manitou-Frontenac, Keweenaw, and North Cliff Geologic Sections. U. S. Geological Survey, 19.
Cita MLA (9th ed.)
Estados Unidos Geological Survey. Manitou-Frontenac, Keweenaw, and North Cliff Geologic Sections. U. S. Geological Survey, 19.
Atenció: Aquestes cites poden no estar 100% correctes.