APA (7th ed.) Citation

Michigan. State Highway Department & United States. Public Roads Administration. (1942). The Michigan test road. [publisher not identified].

Chicago Style (17th ed.) Citation

Michigan. State Highway Department and United States. Public Roads Administration. The Michigan Test Road. [Lansing?]: [publisher not identified], 1942.

MLA (9th ed.) Citation

Michigan. State Highway Department and United States. Public Roads Administration. The Michigan Test Road. [publisher not identified], 1942.

Warning: These citations may not always be 100% accurate.