United States. Federal Highway Administration\nUnited States. Bureau of Public Roads\nUnited States. Federal Highway Administration. Offices of Research, Development, and Technology\nUnited States. Federal Highway Administration. Office of Research and Development. (1918). Public Roads: A journal of highway research. U.S. Federal Highway Administration.
Citação do estilo Chicago (17ª ed.)United States. Federal Highway Administration\nUnited States. Bureau of Public Roads\nUnited States. Federal Highway Administration. Offices of Research, Development, and Technology\nUnited States. Federal Highway Administration. Office of Research and Development. Public Roads: A Journal of Highway Research. Washington: U.S. Federal Highway Administration, 1918.
Citação MLA (8ª ed.)United States. Federal Highway Administration\nUnited States. Bureau of Public Roads\nUnited States. Federal Highway Administration. Offices of Research, Development, and Technology\nUnited States. Federal Highway Administration. Office of Research and Development. Public Roads: A Journal of Highway Research. U.S. Federal Highway Administration, 1918.