Record citatie

APA (7e ed.) Bronvermelding
Leverett Frank. (1929). Map showing areas formerly covered by glacial lakes of Northern Minnesota, Northern Wisconsin, and Northern Peninsula of Michigan. U. S. Geological Survey.
Chicago (17e ed.) Bronvermelding
Leverett Frank. Map Showing Areas Formerly Covered by Glacial Lakes of Northern Minnesota, Northern Wisconsin, and Northern Peninsula of Michigan. U. S. Geological Survey, 1929.
MLA (9e ed.) Bronvermelding
Leverett Frank. Map Showing Areas Formerly Covered by Glacial Lakes of Northern Minnesota, Northern Wisconsin, and Northern Peninsula of Michigan. U. S. Geological Survey, 1929.
Let op: Deze citaties zijn niet altijd 100% accuraat.