Cites del registre

Cita APA (7th ed.)
Leverett Frank. (1929). Map of the surficial deposits of the lake superior region. U. S. Geological Survey.
Cita Chicago (17th ed.)
Leverett Frank. Map of the Surficial Deposits of the Lake Superior Region. U. S. Geological Survey, 1929.
Cita MLA (9th ed.)
Leverett Frank. Map of the Surficial Deposits of the Lake Superior Region. U. S. Geological Survey, 1929.
Atenció: Aquestes cites poden no estar 100% correctes.