APA (7th ed.) Citation

United States. Public Roads Administration. (1940). Public roads, journal of highway research. [s.n.].

Chicago Style (17th ed.) Citation

United States. Public Roads Administration. Public Roads, Journal of Highway Research. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Public Roads Administration. Public Roads, Journal of Highway Research. [s.n.], 1940.

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