APA (7th ed.) Citation

Geological Survey (U.S.). (1940). Michigan transportation map: Highways, railroads, canals, air lanes, and dredged channels (Revised edition.). [Federal Works Agency, Public Roads Administration].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Michigan Transportation Map: Highways, Railroads, Canals, Air Lanes, and Dredged Channels. Revised edition. [Washington]: [Federal Works Agency, Public Roads Administration], 1940.

MLA (9th ed.) Citation

Geological Survey (U.S.). Michigan Transportation Map: Highways, Railroads, Canals, Air Lanes, and Dredged Channels. Revised edition. [Federal Works Agency, Public Roads Administration], 1940.