APA (7th ed.) Citation

United States. Public Roads Administration. (1947). Public Roads: Journal of Highway Research, Apr.-June 1947. [s.n.].

Chicago Style (17th ed.) Citation

United States. Public Roads Administration. Public Roads: Journal of Highway Research, Apr.-June 1947. [Washington]: [s.n.], 1947.

MLA (9th ed.) Citation

United States. Public Roads Administration. Public Roads: Journal of Highway Research, Apr.-June 1947. [s.n.], 1947.

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