Record citatie

APA (7e ed.) Bronvermelding
Estados Unidos Geological Survey. (19). Manitou-Frontenac, Keweenaw, and North Cliff geologic sections. U. S. Geological Survey.
Chicago (17e ed.) Bronvermelding
Estados Unidos Geological Survey. Manitou-Frontenac, Keweenaw, and North Cliff Geologic Sections. U. S. Geological Survey, 19.
MLA (9e ed.) Bronvermelding
Estados Unidos Geological Survey. Manitou-Frontenac, Keweenaw, and North Cliff Geologic Sections. U. S. Geological Survey, 19.
Let op: Deze citaties zijn niet altijd 100% accuraat.