United States. National Resources Committee. (1939). Regional Planning: Part VIII-Northern Lake States. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Resources Committee. Regional Planning: Part VIII-Northern Lake States. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. National Resources Committee. Regional Planning: Part VIII-Northern Lake States. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.